力矢量

Force is a vector that gets applied to an object to change its velocity, and the object's mass is taken into consideration (Force = Mass * Acceleration).

力场是一个矢量。它作用在物体上可以使物体的运动速度发生变化。

The positions of each bar in the mechanism and various commonly used driving types are studied by vector analysis. Based on the study on the parameters of driving oil cylinder and the forces applied at each pivoting point, the inberent laws between each datum are hereupon obtained, it provides a valuable information for designers.

本文用矢量法对举升机构中各杆的位置及常用的几种驱动型式进行了分析，对骓动油缸的参数、各铰点所受的力等进行了探讨，从而得出各量间的内在规律，为设计人员提供了有价值的参考。

In mechanics kinematics, Jacobin matrix may be calculated and simplified by vector constructing; Inverse solution and its restricting condition be given; Forward solution be solved by new-raphson method. The method need shorter time than optimization and has a lot of advantages in applying program; some relationship of velocity, acceleration, force and error of mapping from input to output have been given. Analyzing of theory base these researches.

在机构运动学研究方面，通过矢量构造的方式计算出了速度雅克比矩阵，简化了计算量；给出了机构位置逆解的计算过程及约束条件；利用Newton—Raphson法计算出了机构位置的正解，该算法比优化法计算时间短，而且利于实际编程；给出了机构输入、输出端速度、力、误差的映射关系，这些研究是机构理论分析的基础。

Various vectors have also their different linear properties, for example: position, velocity, force, electromagnetic potential etc., are 1-linear; moment of momentum, moment of force, electromagnetic intensity, etc., are 2- linear.

各种矢量还有它们不同的线性，例如：位置、速度、力、电磁势等等，是1-线的。动量矩、力矩、电磁场强度等等，是2-线的，2-线矢又是两个不同1-线矢的叉乘积。

The mechanical model of the dynamic analysis of quick-return mechanism in the planer is established by complex vector method.

运用复矢量法建立了刨床急回机构动态静力分析的力学模型。

The moment of a force; the measure of a force's tendency to produce torsion and rotation about an axis, equal to the vector product of the radius vector from the axis of rotation to the point of application of the force.

转矩，力矩一种测量产生扭转和绕轴旋转趋势的力的单位，等于从旋转轴到力作用点的旋转矢量

In so far as linear motion is concerned, a body is in equilibrium if the vector sum of the forces acting upon it is zero.

就线性运动而论，如果作用于一个物体上的诸力的矢量之和是零，那么这个物体就处于平衡状态。

As m tioned above, we have not explicitly used the first condition for equilibrium, that the vector sum of the forces be zero.

如上所述，我们没有直接应用第一平衡条件，即力的矢量和为零。

Through data acquisition, data processing, model establishing and stability analysis, the 3D safety factor can be calculated; and also the vector diagram of distribution of sliding forces on critical slip surface can be mapped.

经过数据的获得、数据的处理、模型的建立和稳定性分析，不但给出了边坡的三维安全系数，而且给出了危险滑动面上的滑动力分布矢量图。

Of a force; the measure of a force's tendency to produce torsion and rotation about an axis, equal to the ''.

转矩，力矩一种测量产生扭转和绕轴旋转趋势的力的单位，等于从旋转轴到力作用点的旋转矢量

We have no common name for a mime of Sophron or Xenarchus and a Socratic Conversation; and we should still be without one even if the imitation in the two instances were in trimeters or elegiacs or some other kind of verse--though it is the way with people to tack on 'poet' to the name of a metre, and talk of elegiac-poets and epic-poets, thinking that they call them poets not by reason of the imitative nature of their work, but indiscriminately by reason of the metre they write in.

索夫农 、森那库斯和苏格拉底式的对话采用的模仿没有一个公共的名称；三音步诗、挽歌体或其他类型的诗的模仿也没有——人们把&诗人&这一名词和格律名称结合到一起，称之为挽歌体诗人或者史诗诗人，他们被称为诗人，似乎只是因为遵守格律写作，而非他们作品的模仿本质。

The relationship between communicative competence and grammar teaching should be that of the ends and the means.

交际能力和语法的关系应该是目标与途径的关系。