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theoretical     
相关语句
  理论
     Theoretical Study on Plasma-Filled High-Power Microwaves And it's Interrelated Problems
     等离子体填充大功率微波器件及其相关问题的理论研究
短句来源
     Theoretical Studies and Engineering Application of Shape Preset Control for HC Cold Mill Based on Strip Element Method
     基于条元法的HC冷轧机板形预设定控制理论研究及工业应用
短句来源
     THEORETICAL AND EXPERIMENTAL STUDIES ON TWO DIMENSIONAL MINI-SIZE CONTROLLABLE ROLL SYSTEM OF ALUMINUM FOIL MILLS
     铝箔轧机二维微尺度可控辊系理论与实验研究
短句来源
     Experiment Study and Theoretical Analysis of Dry—Bored Composite Pile
     干作业复合灌注桩的试验研究及理论分析
短句来源
     Theoretical Analysis Model for Block Crack Rockmass Slope Stability and Its Application
     块裂岩质边坡稳定性理论分析模型及工程应用研究
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  了理论
     After verification by experiment,the model and resolving method can basically reflect real sucking-making dynamic features,providing theoretical basis for actual application of magnetic latching relay.
     经实验验证,该模型和求解方法基本可以反映真实的吸合动态特性,为磁保持继电器的实际应用提供了理论依据。
短句来源
     The results show that this method can improve the control and mechanical system design,and provide theoretical bases for robot control and performance improvement.
     仿真结果表明,该仿真方法可以有效提高控制系统及机械系统的设计效率,为实现机器人的控制及性能改进提供了理论依据。
短句来源
     Making reference to general control theory,the author illustrates systematical component essentials of investment control,and introduces basic method of construction project investment control according to the analysis on its characters,in order to offer theoretical reference for practical researches on investment control.
     主要参考一般控制理论,阐述了投资控制的系统组成要素,并根据建设项目投资控制的特点分析,简要阐述了项目投资控制的基本方法,从而为投资控制的实践研究提供了理论基础。
短句来源
     In addition the theoretical expression of filament width was obtained. The extrusion rates of materials under different forming temperature and pressure conditions were measured. The model of filament width section was determined after a comparison of theoretical calculation values and measuring results.
     介绍了气压式熔融沉积系统的工作原理及工艺特点,提出了挤出丝的截面形状模型,建立了成型过程的数学物理方程,推出了理论丝宽的表达式,测量了AJS系统成型过程中不同温度和压力条件下材料的挤出速率,通过理论计算与实际测量结果的比较,确定了丝宽截面模型。
短句来源
     The mooring evaluation function was optimized through pattern search. The mooring evaluation function for large ships provides theoretical foundation.
     根据系泊船舶的受力分析,建立了船舶系泊评价函数,利用模矢搜索法优化求解了船舶系泊评价函数,为船舶系泊安全评价提供了理论依据.
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  理论的
     On Some Theoretical Problems of Architecture
     关于建筑理论的几个问题——批判姚文元关于“建筑艺术”的谬论
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     THEORETICAL STUDIES OF MODERN TURBOMOLECULAR PUMP
     现代涡轮分子泵理论的研究
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     The Theoretical Model and Pragmatic Analysis of Department Economic Operating Mechanism——An Application of Self-organization Theory
     部门经济运行机制的理论模型和实证分析——自组织理论的应用
短句来源
     A Comparative Study on Theoretical Origin of Ownership
     所有制起源理论的比较研究
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     Theoretical Study on Steel Fibre Concrete Drainpipe
     钢纤维混凝土排水管理论的探讨
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  理论上的
     The IC 50 values of midazolam combined with 1/4 and 3/4 IC 50 propofol located in the 95% confidence limits of theoretical additive line;
     1/4、3/4IC50 的异丙酚与咪达唑仑合用时的IC50 数值点落在理论上的相加等效线的95 %可信区间内 ;
短句来源
     the IC 50 values of midazolam combined with 1/2 IC 50 propofol located under the 95% confidence limits of theoretical additive line.
     1/2IC50 的异丙酚与咪达唑仑合用时的IC50 数值点落在理论上的相加等效线的 95 %可信区间的左下方。
短句来源
     The result provides theoretical base for numerical simulation of 6061 aluminium alloy in the process cross wedge rolling deformation of three dimensions.
     这些分析结果对于深入认识6061铝合金变形行为提供了理论上的支持,并为数值模拟6061铝合金的楔横轧三维变形提供理论基础。
短句来源
     When 0≤k≤0.02, The pressure distribution obtained is in agreement with the theoretical predictions.
     当0≤k≤0.02时,得到的压力分布与理论上的线性分布是符合的。
短句来源
     This paper demonstrates that the family of all fuzzy numbers with platform highness h (denoted by E 1 T(h) ) are separable on uniform Hausdorff metric D H.and the family of all step type fuzzy numbers E 1 G are dense in (E 1,D H). The results provide a theoretical basis for using simple fuzzy numbers to approximate general fuzzy numbers.
     证明了台高为 h的模糊数全体 E1T(h) 关于一致 Hausdorff度量 DH 是可分的 ,进而推出阶梯形模糊数全体 E1G在 (E1,DH)中稠密 ,为利用简单的模糊数来逼近一般模糊数提供了理论上的保证
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      theoretical
    The one-dimensional case is closely related to a number theoretical conjecture on tilings by Coven and Meyerowitz [1].
          
    Group theoretical considerations allow first to introduce generalized wavelet transforms.
          
    A brief summary of the theoretical background of QSRR is followed by presentation of reversed-phase high performance liquid chromatographic (RP-HPLC) separation theories of applications to the reported QSRR.
          
    Hence, we developed QSAR models based on a large set of theoretical molecular descriptors using ridge regression methodology, which overcomes this limitation and also because the independent variables are highly intercorrelated.
          
    One predator two prey system is a research topic which has both the theoretical and practical values.
          
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    A new wavemeter with cathode-ray for decimeter and centimeter waves is proposed, utilizing special deflections of cathode ray in a rapidly alternating field. When the wavelength of the deflecting field is short enough, the deflections can be made to have maximum and zero sensitivities or phase-shifts by adjusting the anode voltage. Formulas for computing the wavelength are derived and fully discussed. All factors concerning this type of wavemeter are thoroughly investigated from the theoretical considerations...

    A new wavemeter with cathode-ray for decimeter and centimeter waves is proposed, utilizing special deflections of cathode ray in a rapidly alternating field. When the wavelength of the deflecting field is short enough, the deflections can be made to have maximum and zero sensitivities or phase-shifts by adjusting the anode voltage. Formulas for computing the wavelength are derived and fully discussed. All factors concerning this type of wavemeter are thoroughly investigated from the theoretical considerations and preliminary tests.

    著者新拟一量数分米或数厘米电波之波长计其法用阴极射线在极短波长之电场内之特殊偏侧在相当情形下,可由调节其阳极之电压,而使其偏侧之灵敏度或相差成极大或成零。由此计算电场之波长所需各算式均已推出。且按原理及初步实验,将凡关于此种波长计各节,亦已详细研究。

    By surrounding a photo-neutron source of Ra+Ee with a thin spherical sbell of paraffin, a continuous spectrum of scattered neutrons, extending from zero energy to the energies of the primary neutrons is obtained. When a silver detector is exposed to such a spectrum, a part of the neutrons having just the energies at resonance with the silver nuclei is strongly absorbed by the detector and thereby produces the induced β-activity. By measuring the activity of silver and the apparent absorption coefficient of the...

    By surrounding a photo-neutron source of Ra+Ee with a thin spherical sbell of paraffin, a continuous spectrum of scattered neutrons, extending from zero energy to the energies of the primary neutrons is obtained. When a silver detector is exposed to such a spectrum, a part of the neutrons having just the energies at resonance with the silver nuclei is strongly absorbed by the detector and thereby produces the induced β-activity. By measuring the activity of silver and the apparent absorption coefficient of the resonance neutrons in a thin silver absorber, the total width of the resonance levels effective to neutron capture and located in the above spectrum is estimated. Let τ He the average value of one half of the half-value width of the resonance levels, expressed in volts, and n be the number of resonance levels here concerned. We find nτ=260 volts for the silver nuclei of half period 22" if the energies of the primary neutrons are taken to be 2x 105 volts. Knowing nτ, we can evaluate the average spacing between adjacent resonance levels effective to neutron capture by giving a plausible value to τ. We find a spacing of the order 80-800 volts if τ be given the value 0.1-1.0 volt. This result is in good accord with the recent theoretical calculation of Bethe and also with observations of resonance groups in the low energy region.

    把‘镭—铍’所产生的‘光中子’,穿过一层半厘米厚的白蜡,我们便得到一‘连续的中子谱’。他们中间有些中子,能和银的原子核起‘共振作用’,因此可以被银片吸收,而产生‘人工放射银’先测量人工放射的强度和‘共振中子’在银片中的吸收率,再应用原子核内共振能层的宽度,我们便可以求出银的原子核内‘共振能层’的密度大约共振能在零和二十万伏特中间,平均每隔一二百伏特便有一可以吸收质子的共振能层,和理论很相符合。

    Formulas are derived for the solution of the transient currents of resistance-terminated dissipative π-type low-pass, T- and π-type high-pass electric wave filters. Oseillograms taken by cathode ray oscillograph for d-c. and a-c. cases are found to agree with the results calculated from these formulas. From these calculations, the following conclusions are derived: (1) When the terminating resistance is gradually increased from 0, the damping constants of the damped sine terms begin to differ greatly from each...

    Formulas are derived for the solution of the transient currents of resistance-terminated dissipative π-type low-pass, T- and π-type high-pass electric wave filters. Oseillograms taken by cathode ray oscillograph for d-c. and a-c. cases are found to agree with the results calculated from these formulas. From these calculations, the following conclusions are derived: (1) When the terminating resistance is gradually increased from 0, the damping constants of the damped sine terms begin to differ greatly from each other, ranging in decreasing magnitudes from the first damped sine term to the last term of cut-off frequency. Hence the transient is ultimately of the cut-off frequency. At the cut-off frequency, this constant is greater than the corresponding constant (R/2L) when the termination is absent. (2) For each increase of one section, there is introduced an additional damped sine term with smaller damping constants. Therefore transients die out faster in filters of small no. of sections. (3) With the same network constants, the damping constants of π-type filters are greater than the corresponding values of T-type filters. As a result, transients die out faster in π-type filters. (4) The amplitudes of the transient terms in the attenuation and transmission ranges are of the same order of magnitude, and the filtering property only exists in the steady states. (5) The cut-off frequency of the π-type filters varies with the no. of sections used. When only two sections of low, or, high-pass filter are used, the variation amounts to nearly 26 per cent from the theoretical value.

    此篇先推求收端加电阻时,低频与高频滤波器瞬流之公式依此公式算出之图与用阴极光示波器映出之曲线相符合。自推算之结果,可得下列结论: (一)在滤波器收端电阻渐加时,瞬流各项之挫率渐渐互异其数量,由第一挫波项至最後隔阻频项,顺序渐减;其最小数仍比收端无电阻时之挫率(约等于R/2L)为大。故瞬流终必变为隔阻频之电流,而较收端无电阻时易于消灭。 (二)当滤波器增加一段时,瞬流之项数亦加一,所加项之挫率皆比前有者为小,故少段滤波器之瞬流易于消灭。 (三)在π式滤波器中,其瞬流各项之挫率恒较同一电恒数T式滤波器中之相当项之挫率为大故在π式滤波器中,瞬流消灭较易。 (四)在隔阻频后瞬流之数量与在其前者相彷,恒较隔阻频后之安定数量大数十倍,故滤波器之特性仅能见之于安定状态之下。 (五)π式滤波器之隔阻电频随所用之段数而变化在二段之滤波器中,此变化数为最高,其数与理想之数相差百分之二十六。

     
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