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     Vibration Characteristic and Contributing Factors in It for a Multirope Hoist with Reducer Spring-loaded
     弹簧支承减速器提升机的振动特性及影响的因素
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     Unification of Governing Differential Equations for Beams with Thin Walled Open and Closed Cross-Sections and It's Finite Element Analysis
     开口和闭口薄壁杆件基本微分方程的统一和的有限元分析
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     The Determination of Standard Electrode Potentialof the CI-AgCI,Ag Electrode and the Effectof Impurities on It
     Ag—AgCl电极的标准电极电势的确定和杂质对的影响
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     Content of ATP in Different vigor of Peanut Seed and PEG Effect on It
     不同活力花生种子ATP含量及PEG对的影响
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     Beam divergence of copper vapor laser versus efficiency of dye laser pumped with it
     铜蒸气激光器光束方向性与所泵浦的染料激光器的效率的关系
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     A SENSITIVE METHOD TO DISTINGUISH THE SPIN OF THE HEAVY LEPTON τ FROM ITS TWO BODY DECAY ENERGY SPECTRA
     如何从重轻子τ的二体衰变能谱敏感地分辨的自旋
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     On the Order of Finite Ring and the Number of its Zero-Divisors
     关于有限环的阶与的零因子个数
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     DYNAMIC PRINCIPLE OF HURTY-CRAIG'S MODAL SYNTHESIS METHOD AND ITS VARIETY
     Hurty-Craig约束模态综合法的动力原理和的一种变体
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     A METHOD FOR REMOVING ELECTROSTATIC SELF-FORCE AND ITS ELECTROSTATIC ENERGY LOSS FROM PLASMA PARTICLE SIMULATION(CIC SCHEME)
     等离子体粒子模拟(CIC方法)中消除静电自力处理和引起的静电能损失
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     LASER MICRO-SPECKLE INTERFEROMETRY AND ITS APPLICATION IN THE MEASUREMENT OF INPLANE DISPLACEMENT IN THE VICINITY OF A CRACK TIP
     激光显微散斑干涉和在裂纹尖端附近面内位移场测量中的应用
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     The fine penalty,which involves people's economic interest directly,prevents and punishes the crime of economy and property and it has irreplaceable superiority.
     罚金刑是一种直接涉及经济利益的刑罚方法,在预防和惩罚经济型、财产型犯罪方面有着自由刑和生命刑所无法替代的优越性。
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     The microoptical scanner consisted of a positive microlens array and a negative microlens array and a PZT actuator was designed,which works in middle and short-wavelength infrared light and visible light. These microlens arrays are with 256×256 elements and each element has a diameter of 50μm,the scanning angle is about 6.6 degree. The scanning frequency is 200Hz, and the volume is a few cubic centimeters.
     设计了由正负微透镜阵列和压电陶瓷驱动器组成的微型光扫描器,工作于中、短波红外光及可见光等波段,微透镜阵列规模为256×256元、单元直径为50μm,扫描视场角约为6.6°,扫描频率可达200Hz,体积小到几个立方厘米.
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     Ant colony algorithm is a new evolutionary algorithm and extremely suit to solve the travelling agent problem, which has the characteristic of parallelism, positive feedback and heuristic search.
     蚁群算法作为一种新的生物进化算法,具有并行、正反馈和启发式搜索等特点,是一种解决旅行Agent问题的有效手段,受到了广泛的关注,但与其他进化算法一样存在易陷入局部最小的缺点.
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     An NMDS-RSSI (nonmetric MDS and received signal strength indication) localization algorithm is presented, which runs nonmetric MDS on RSSI between nodes instead of distance to localization, so it avoids the process of transforming RSSI into distance by other localization approaches based on RSSI, and can reduce errors caused by this kind of transformation.
     提出了NMDS-RSSI(nonmetric multidimensional scaling and received signal strength indication)定位算法,利用非度量多维标度技术直接根据无线信号强度值来进行节点的定位,省去了以往利用无线信号强度的定位算法中先把强度转换为距离再进行定位所带来的计算误差和计算量.
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     AVS-REL is an XML-based right expression language which is proposed by Audio Video Coding Standard Workgroup of China.
     AVS-REL是由中国音视频标准化工作组(AVS)提出的一种基于XML的权限描述语言,描述了数字内容使用时相关的权利、约束和义务等。
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  other
     Study on Antioxidation and other Healthy Function of the Extracts from Citrus Peel
     柑桔皮提取液抗氧化及其保健功能研究
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     A Novel DNA Amplification Method for Detection of Enterohemorrhagic E.coli O157: H7 and Other Shiga Toxin-Producing E.coli
     检测肠出血性大肠埃希菌O157:H7及其产志贺毒素大肠埃希菌的一种新的DNA扩增技术
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     Study on Mapping QTL Controlling Bolting and Other Agronomic Traits of Brassica Campestris
     白菜(Brassica campestris L.)耐抽薹性及其农艺性状QTL定位的研究
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     Optical and other physical properties of Al (PO_3)_3 contained fluorophosphate glass
     含Al(PO_3)_3氟磷酸盐玻璃的光学及其物理性质
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     ANALYSIS OF VALENCE ELECTRON AND MAGNETIC MOMENT STRUCTURES OF α-Fe, γ-Fe AND Fe_4N——ELECTRON THEORY OF CASE HARDENING, α-TO γ-Fe PHASE TRANSFORMATION AND CERTAIN OTHER RELATED PROCESSES
     α-Fe,γ-Fe和Fe_4N的价电子和磁矩结构分析——α-Fe→γ-Fe相变、高温渗氮表面硬化、渗碳体石墨化及其材料的电子理论
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      it
    In the case of 4-dimensional anticommutative algebras a construction is given that links the associated cubic surface and the 27 lines on it with the structure of subalgebras of the algebra.
          
    Such an action is called linearizable if it is equivalent to the restriction of a linear orthogonal action in the ambient affine space of the quadric.
          
    In general the group ring of ann-valued group is not ann-Hopf algebra but it is for ann-coset group constructed from an abelian group.
          
    From it, we recover Joseph and Letzter's result by a kind of "quantum duality principle".
          
    It is well-known that the ring of invariants associated to a non-modular representation of a finite group is Cohen-Macaulay and hence has depth equal to the dimension of the representation.
          
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      its
    This implies that a system is algebraically integrable (i.e., its eigenvalue problem is explicitly solvable in quadratures) if and only if the differential Galois group is commutative for generic eigenvalues.
          
    We apply these results to intersection theory on varieties with group actions, especially to Schubert calculus and its generalizations.
          
    A basis is calledmonomial if each of its elements is the result of applying to a (fixed) highest weight vector a monomial in the Chevalley basis elementsYα, α a simple root, in the opposite Borel subalgebra.
          
    Letu be a compact Lie algebra and letu be its complexification.
          
    We classify all instances when a parabolic subgroupP ofG acts on its unipotent radicalPu, or onpu, the Lie algebra ofPu, with only a finite number of orbits.
          
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      which
    The method applies to the standard arithmetic subgroups ofSO(n,1) (a case which was proved previously by Millson [Mi]), to the non-arithmetic lattices inSO(n,1) constructed by Gromov and Piatetski-Shapiro [GPS] and to groups generated by reflections.
          
    In all these cases we actually show that Γ=π1(M) has a finite index subgroup which is mapped onto a nonabelian free group.
          
    We consider some remarkable central elements of the universal enveloping algebraU(gl(n)) which we call quantum immanants.
          
    The aim of the paper is to describe all open subsets of a projective space with an action of a reductive group which admits a good quotient.
          
    As in the case of Mumford's geometric invariant theory (which concerns projective good quotients) the problem can be reduced to the case of an action of a torus.
          
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      other
    On the other hand, there is a locally trivialGa-action on a normal affine variety with nonfinitely generated ring of invariants (Theorem 2).
          
    Using related sequences of Lucas numbers, other 3-manifolds are constructed, their geometric structures determined, and a curious relationship between the homology and the invariant trace-field examined.
          
    In the final section the theorem is applied to gradient actions on other homogeneous spaces and we show, that Hilgert's Convexity Theorem for moment maps can be derived from the results.
          
    We describe two opposite direction functors between Kronecker webs and integrable bihamiltonian structures: one is left inverse to the other.
          
    We investigate the sets C(S) of such x for various orbits S and their relations with each other.
          
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    In this paper, as suggested by the classical canonical equations, a new set of the corresponding relativistic equations is set up. Therefrom a relativistic form of Heisenberg's equation is deduced. The rclalivistic Hamiltonian system of a particle according to the formulation here established has been fully discussed and by following it, however, Diracs equation appears naturally as a necessary form of relativistic wave equation tor electron in quantum mechanics. The process of taking square root in Dirac's...

    In this paper, as suggested by the classical canonical equations, a new set of the corresponding relativistic equations is set up. Therefrom a relativistic form of Heisenberg's equation is deduced. The rclalivistic Hamiltonian system of a particle according to the formulation here established has been fully discussed and by following it, however, Diracs equation appears naturally as a necessary form of relativistic wave equation tor electron in quantum mechanics. The process of taking square root in Dirac's theory is seen to have its classical analogy. Finally, some applications of the relativistic Heisenberg's equation to Dirac's theory have been discussed and it has thereby been pointed out that this equation brings some quantities to being more symmetrical in the relativity sense and also some more general than those the non-relativistic equation can introduce.

    在本文中,作者推得一组相对论式的汉密尔敦运动式;并根据此运动式,详细地讨论了一质点之运动;由此还可以很自然地看出,在量子力学中,狄拉克电子方程式似乎是一个必然的波动方程式。在狄拉克理论中的取平方根步骤在这里找到在古典物理学中的对照。同时根据了上面的理论,作者还推得到一个相对论式的哈生堡方程式,最后则讨论了此方程式在狄拉克电子理论中的一些应用;同时并指出,在相对论的观点上,此方程式可以引导出一些比较对称的及有比较普遍形式的物理的量。

    The approach to magentic saturation in the cases of iron, nickel, and a number of iron-cobalt alloys at various temperatures has been studied in the range of field from a few hundred to 6,000 oersteds. It has been found that for annealed and moderately cold-worked specimens the differential susceptibility can be represented fairly accurately by a formula of the form

    本工作依据微分磁化率的观测,以研究铁、镍、和几种铁钴合金在室温和高温下的“趋近饱和”现象。由实验结果得知,在数百到6000奥斯特的磁场下 微分磁化率和磁场强度的关系可用下式表出: (I/H)_T=A/H~2+2B/H~3+C/H~(1/2)+D,式中I表磁化强度,H表磁场强度,T表温度。在室温附近,式中末两项比前两项小得多,所以末两项的总值可以约略用一常数来代替;但在高温下就不然了。如果将一曾经驯炼的试品逐步加以冷作 则系数A和B最初跟冷作程度作跳跃式的增加;但对于经过剧烈冷作的试品上式就不适用。在驯炼状态下,A和B跟温度的上升而减小;到消失时温度还相当低于居里点。因本实验中所得数据的准确度不够所以不能依据们来确定D的值;但如果将D略去而计算系数C的值,则可以确定到九成。C的数量级和跟温度变化的情形大致是和Holstein和Primakoff的理论相符的 系数B和“磁晶各向异性”系数K的平方成正比;但用B的实验值和B的理论式比较而算得的K_1则和从单晶体观测所得的K_1只有数量级的符合。

    1. In order to study the distribution of the two species of bedbugs,Cimex lectularius and C. hemiptera, 81 representative localities of 23provinces and Inner Mongolia were selected for the collection ofbedbugs.2. Among the 81 localities, 55 had only C. lectularius, 11 had onlyC. hemiptera, while the remaining 15 localities had both species.3. Atmospheric temperature forms one of the most important factorslimiting the distribution of bedbugs. Consequently C. hemipteralimits itself in the North at Chian-Yang of...

    1. In order to study the distribution of the two species of bedbugs,Cimex lectularius and C. hemiptera, 81 representative localities of 23provinces and Inner Mongolia were selected for the collection ofbedbugs.2. Among the 81 localities, 55 had only C. lectularius, 11 had onlyC. hemiptera, while the remaining 15 localities had both species.3. Atmospheric temperature forms one of the most important factorslimiting the distribution of bedbugs. Consequently C. hemipteralimits itself in the North at Chian-Yang of Fukien, Lo-Chang ofKuangtung, Heng-Yang of Hunan, Tsun-I of Kweichow, Ch'eng-Tuof Szechuan and Ya-An of Sik'ang. In these localities the wintertemperature is usually at 4°- 8℃. North of this belt, because thewinter temperature is much lower, the condition is not suitable forthe existence of this species. Cimex lectularius is more resistant tocold. It is, however, less resistant to extreme heat. In localities inSouth China where the summer temperature runs over 30℃, thecondition is not suitable for the survival of this species. Its southernlimit of distribution has been found to be a line connecting Amoy,Chu-Kiang of Kuangtung, Kwei-Lin of Kuangsi, P'ing-T'ang of Kwei-chow and Meng-Tze of Yunnan.4. The relationship of latitude, altitude, atmospheric pressure andhumidity to the biology of bedbugs were briefly discussed.

    (一)作者在1950—1951年,曾收集中国81个地区的臭虫标本,作一系统的调查研究,这81个地区包括23省和内蒙古自治区。 (二)在81个地区所采集到的标本,有55个地区只有温带臭虫,44个地区只有热带臭虫,其余15个地区两种臭虫均有发生。 (三)气温是影响臭虫分布的重要因素之一。热带臭虫的分布,北至福建的建阳,广东的乐昌,湖南的衡阳,贵州的遵义,四川的成都(李、孟1951),西康的雅安,这些地区的冬季气温大都在4°—8℃。在这些北分布地区以北的地区,冬季气温较低,大多不适于的生长,温带臭虫的抗寒力较强,在华北、东北、西北均有发生,的分布南至福建的厦门,广东的曲江、广西的桂林、贵州的平塘(李、孟1951)、云南的蒙自,这些地区夏季气温均在30℃以下,仍可适于的生长。 (四)地理上的经度与臭虫的分布并无关系,但纬度与臭虫的分布有关,热带臭虫的分布北至北纬30°41″(成都),的发生地带以热带为主,在亚热带亦可生长,温带臭虫的分布南至北纬23°25′(蒙自),的发生地带以亚热带及温带为主但传入部分的热带地区,亦可生长。 (五)地势过高可以影响...

    (一)作者在1950—1951年,曾收集中国81个地区的臭虫标本,作一系统的调查研究,这81个地区包括23省和内蒙古自治区。 (二)在81个地区所采集到的标本,有55个地区只有温带臭虫,44个地区只有热带臭虫,其余15个地区两种臭虫均有发生。 (三)气温是影响臭虫分布的重要因素之一。热带臭虫的分布,北至福建的建阳,广东的乐昌,湖南的衡阳,贵州的遵义,四川的成都(李、孟1951),西康的雅安,这些地区的冬季气温大都在4°—8℃。在这些北分布地区以北的地区,冬季气温较低,大多不适于的生长,温带臭虫的抗寒力较强,在华北、东北、西北均有发生,的分布南至福建的厦门,广东的曲江、广西的桂林、贵州的平塘(李、孟1951)、云南的蒙自,这些地区夏季气温均在30℃以下,仍可适于的生长。 (四)地理上的经度与臭虫的分布并无关系,但纬度与臭虫的分布有关,热带臭虫的分布北至北纬30°41″(成都),的发生地带以热带为主,在亚热带亦可生长,温带臭虫的分布南至北纬23°25′(蒙自),的发生地带以亚热带及温带为主但传入部分的热带地区,亦可生长。 (五)地势过高可以影响热带臭虫的发生,在昆明、大理、昭通、丽江等地,拔海高度均在1922米以上,热带臭虫并无发生,但对温带臭虫并不影响。 (六)气压与地势的高低有关,昆明、大理,昭通、丽

     
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