derives的例句大全

Thirdly, derives canonical equation and variation equation and by using the first integral constructs integral invariant.

再次，建立这类系统运动的正则方程和变分方程，并由第一积分构造系统的积分不变量；

In this paper, the author derives the functional relation and explains in detail the NC program-ming of the cutter's spiral slot and a few important problems in manufacturing process.

文本对其函数关系进行了推导，对加工其螺旋槽数控程序的编制及加工过程中需注意的几个问题作了介绍。

It also derives and solves the differential equation expressing the sliding motion of the particle, and hence ascertains the phase angle where the particle is about to leave the edge of the bucket during discharging.

推导颗粒运动微分方程并求解，从而确定卸料时物料颗粒脱离料斗边缘时的料斗相位角。

Supposing the slip plane of slope as a straight line, the paper derives the critical height and the critical angle of the slope by limiting balance method, then defines the position of unsafe slip plane and the critical angle of safe slope.

假定斜坡的滑移面为直线，用极限平衡法推导了倾斜边坡的临界高度和临界坡角，解出了倾斜边坡中安全系数最小的滑动面的位置，确定了边坡中稳定土体的临界角度。

Synthesis and Application of Pyruvic Acid and Its Derives

丙酮酸系列产品的合成与应用

A timepiece that derives its time scale from the vibration of atoms or molecules.

以原子或分子的振动确定其时间比例的时钟。

this dissertation derives from the national ninth five-year plan project "torpedo weapon system development and mathematic simulation methods research" and china shipbuilding industry group's project "sub-water multi-target trajectory counterwork distributed interactive simulation system".

本论文题目来源于总装备部九五预研课题鱼雷武器系统规划发展数学仿真方法和中国船舶重工集团第七五零试验场课题水下多目标弹道对抗分布交互仿真系统。

relationship power derives from the network of contacts and friends that you make, develop, and maintain at work;

来自你在工作中所建立、培养和保持的关系网和朋友圈；

the characteristic matrix of the film derives from the basis of maxwell equation which was utilized to analyzing antireflection film theory of the single-layer film and multilayer films.

运用薄膜的特征矩阵，对单层增透膜和多层增透膜原理进行了分析，建立了多层膜干涉截止滤光片的理论模型。

Based on the stochastic theory, this paper derives a serives of theoretical calculation formulae of ground surface movement due to extraction of an inclined seam on space problem, and obtains a lot of conclusions.

本文从随机介质理论出发，导出三维情形下开采倾斜煤层地表移动及变形的一系列理论计算公式，监得到许多结论。

This paper derives the justifying conditions for fault location based on distributed parameter nodal admittance equations of faulty transmission line.

根据频域故障传输线的分布参数节点导纳方程推导了一种双短故障测距方法。

Such a crisis derives from the two aspects of natural demise and human demise.

这样的危机来源于自然消亡与人为消亡两个方面。

On the basis of rational assumption, this chapter derives formulae of density of distribution of real estate agency.

在合理假设的基础上，本章推导了房地产中介代理机构的分布密度公式。

There is a tendency among the scholars that the thought of spontaneous order of western liberalistic economy derives from Lao-Tzu.

中西学界皆有人认为，西方自由主义经济学之自然秩序思想源于中国老子，哈耶克的自然秩序思想较亚当·斯密更接近于老子，老子思想孕育了现代经济学的精神。

After an extensive period of rebuilding, Eaton now derives nearly half of its revenues from outside the US.

经过长期重组后，伊顿现在有近一半的收入来自美国本土以外。

GVF model derives from generalized force balance equations, a vector diffusion equation is employed to diffuse the gradient of an edge map in regions distant from the boundary, yielding a general type of force field which can be decomposed into an irrotational component and a solenoidal component.

梯度矢量流（GVF）模型是从广义力平衡方程出发，利用能量最小公式，应用扩散方程扩散了边界区域的边缘映射梯度，产生了一种广义矢量场，包含无旋分量和无散分量。

To overcome the existential problems of calculating gear-tooth strength verification in designing gear pump, this paper derives check formula of contact fatigue strength of gear-tooth according to the characteristic of supporting force in gear pump.

本文针对以往齿轮泵设计中对轮齿进行强度校核时所存在的问题，根据齿轮泵的受力特点，推导出轮齿接触疲劳强度的验算公式。

Twain's complaints about the impenetrable murk alert us to the fact that London's yellow pea-soupers ( a term that derives from a much despised broth) were not confined to its streets.

吐温抱怨这团看不透的黑暗雾霾，这让我们知道，遍布伦敦的黄色浓雾（它还有个别名叫“豌豆汤”，是一种非常难喝的汤）不仅仅是街头才有。

Analyses the rigidity if the talon combination springs by small deformation iteration and derives a simple formula for calculation of deformation by data imitation method convenient for use in engineering design.

用小变形叠加法对爪式组合弹簧进行了刚度分析，并用数据拟合方法得到了便于工程设计的简化变形计算公式。

That musical drama, like the opera from which it derives, is mostly known as the story of a sexually rapacious young woman and her obsessive, ultimately murderous lover.

这部音乐片改编自歌剧，它主要讲述的是一名在性方面很贪婪的年轻女子和痴迷并最终杀害她的情人之间的故事。