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     The microelements of deposit are vertical zoning which sequence is Ag-Mo-Hg-Pb-Bi-Sb-Au-As-Zn-Cu from top to deep.
     矿床微量元素具有垂直分带性,从上至下的序列为:Ag—Mo—Hg—Pb—Bi—Sb—Au—As—Zn—Cu。
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     Axial zoning sequence of the indicator elements is described as follows: As—Ag—Sb—Cu—Zn—Au—Pb—Ni—Co, on the basis of this, the following formulas for predicting buried depth of the ore body are established. H=38.790 As/Co+442.842 LnH=0.0923Ln[(As, Ag, Sb)/(Au, Co, Ni)]
     指示元素的轴向分带序列为:As—Ag—Sb—Cu—Zn—Au—Pb—Ni—Co,并以此建立了预测矿体埋藏深度关系式:H=38.790As/Co+442.842 LnH=0.0923Ln[(As.Ag.Sb)/(Au.Co.Ni)]+6.3116
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     CONFINED SUBBAND——CONTINUUM TRANSITIONS IN STRAINED LAYER In_(0.15)Ga_(0.85)As-GaAs MULTIPLE QUANTUM WELLS
     In_(0.15)Ga_(0.85)As—GaAs应力层多量子阱中束缚子带—连续带跃迁
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     And the bond lengths and angles in the planar As—C(43)—C(44)-O-Ni five membered ring indicate a delocalized system As—C(43)—C(44)—O, which conjugates with C(1)~C(6) delocalized system through C(1)—C(44) bond with bond length 1.496(7)A.
     五元环As—C(43)-C(44)-O-Ni内存在As—C(43)—C(44)—O共轭体系,此共轭体系并与苯环C(1)~C(6)共轭体系沟通,使螯合环化学键性质变异.
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     Periodate oxidation and Smith degradation analysis indicated that AsⅢa contained α(1→3)glycosidic linkage and that AsⅢb contianed(1→4)and (1→6)glycosidic bond.
     高碘酸氧化及Smith降解分析表明As—Ⅲa的单体通过α(1→3)糖苷键相连,As—Ⅲb主要通过(1→4)和(1→6)糖苷键相连。
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The purpose of this note is to prove, as Lusztig stated, that the Euler characteristic of the variety of Iwahori subalgebras containing a certain nil-elliptic elementnt istcl wherel is the rank of the associated finite type Lie algebra.
      
We express them in terms of generatorsEij ofU(gl(n)) and as differential operators on the space of matrices These expressions are a direct generalization of the classical Capelli identities.
      
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.
      
As a consequence, the action is linearizable if certain topological conditions are satisfied.
      
In this paper, we prove the degenerations of Schubert varieties in a minusculeG/P, as well as the class of Kempf varieties in the flag varietySL(n)/B, to (normal) toric varieties.
      
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In this paper the general synthesis problem of optimal control systems with the criterion of transient responses as a positive integral functional (3) is discussed.In the first part it is assumed that the motion of controlled object is described by a system of ordinary differential equations and that the final states of the system form a bounded and closed convex region in n-dimentional euclidian phase space. A method is proposed for finding all optimal control functions which lead any starting state into...

In this paper the general synthesis problem of optimal control systems with the criterion of transient responses as a positive integral functional (3) is discussed.In the first part it is assumed that the motion of controlled object is described by a system of ordinary differential equations and that the final states of the system form a bounded and closed convex region in n-dimentional euclidian phase space. A method is proposed for finding all optimal control functions which lead any starting state into the given final region of states. Some conclusions are obtained from the maximum principle by using transversal conditions of optimal trajectories in terminal points, and the particular properties of the stated problem are pointed out. The case of linear dif-ferential equations with integral quadratic functional criterion is investigated in detail.Further, in the second part the fundamental properties of isoloss regions, the rela-tions between the isoloss region and optimal control functions are indicated. As a direct result a partial differential equation determining the optimal loss-function J (x) is found and the connection between function J (x)and optimal vector control function u (x) is also stated. The methods proposed are practically the extension of the me-thods used by us for designing time optimal control systems as seen in [5, 6 ,7].Finally, an example is illustrated with optimal trajectories shown in phase plane.The necessary numerical data is calculated by an analog computer with high accuracy.

文中研究了具有公式(3)表示的一般正积分泛函的最优控制系统的综合问题.在第一部分中研究了具有控制参数的一阶微分方程组.控制系统的终点状态为n维相空间内的某一逐段光滑边界的闭性区域Ω.文中指出了根据极大值原理和轨道终点的横截条件寻找引到Ω的所有最优轨迹的方法.这里详细地研究了具有二次泛函和被积函数中不明显含有控制参数的质量指标泛函的线性方程情况.在文中第二部分研究了等损耗区的主要特性.指出了等损耗区与最优控制函数之间的关系.导出了求算最优损耗函数J(x)的偏微分方程,以及这一函数与最优控制函数u(x)的关系.上述方法是我们曾在文献[5,6,7]中用过的最优快速系统的综合方法的推广.文章最后举有例证.

In this paper the logical structure of contactless telemechanical system for distributed objects is discussed. A simple method of variable system structure for transmitting and receiving telemechanical information is adopted. The idea is that the information oc-curred in every controlled point (station) and the information of some of those objects,which frequently change their states, are transmitted continually and cyclically, while for other objects their information is transmitted only after any change in...

In this paper the logical structure of contactless telemechanical system for distributed objects is discussed. A simple method of variable system structure for transmitting and receiving telemechanical information is adopted. The idea is that the information oc-curred in every controlled point (station) and the information of some of those objects,which frequently change their states, are transmitted continually and cyclically, while for other objects their information is transmitted only after any change in their states. Thus,the speed of operation will be increased, and also the error probability of system syn-chronization will be decreased. For the realization of the variable logical system struc-ture, several blocks are used repetitively. For example, two commutators and one sim-ple logical unit are used to construct a simple automatic sequential encoder, and at the same time, the two commutators are used also to operate as a matrix commutator for receiving telesignalling information etc. Therefore the system is comparatively simplified and attains a higher degree of "minimization".

本文研究了无触点集中-分散目标远动系统的逻辑结构.文中提出了采用简单的系统变结构来发送和接收信息的逻辑结构方式.对被控制点及一部分比较重要或变化比较频繁的被控制目标的信息,保留了循环传送,而对大部分变化比较慢的被控制目标则采用目标有变化时才传送信号的方式,这样就提高了系统的平均动作速度,同时也减小系统的失步概率.文中采用环节的复合利用及简化的逻辑单元线路来实现这种系统的逻辑结构.例如用两个分配器和一个简单的逻辑单元“和”线路组成了很简化的选点自动程序编码器,同时这两个分配器又复合利用兼组成目标信号接收矩阵式分配器等,因而可以使得这种系统同时又具有较高的极简化度.

This is a continuation of a previous paper "The Dynamic Behaviors of a Self-biased Bistable Multivibrator". A criterion is obtained in which the effect of distributed capacitances and component tolerance under worst combinations are considered as the bases for design. Experimental results show that the method of design introduced in this paper is effective.

本文是“触发器动态研究”一文的继续,介绍了一个比较简单的动态设计方法。文中考虑了各种分布电容的影响。当电路参数发生变化且处于最不利搭配时,触发器仍具有“交点在U_T前沿的单调翻转过程”。实验结果表明,本文所介绍的设计方法是有效的。

 
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