And, the way we can get it, so, it's called usually V, so, V here stands for velocity more than for vector. And, you just get it by taking the derivative of a position vector with respect to time.
根据它的原理，我们通常用v表示,这里的V更代表速率而不是矢量，你能通过,对一个关于时间的位置向量求导得到它。
v0 And there is an angle between ; the position vector and v zero; 0 I call that phi zero.
在方位向量和,之间，有一个夹角;,我们叫它φ
For example, the code above will record a tile with a filename like v=w2.80&hl=en&x=228&y=4&zoom=15&s=Gal to be at position 0,4 in the (column,row) hash.
例如，以上的代码将把文件名为v=w2.80&hl=en&x=228&y=4&zoom=15&s=Gal 的图像块记录到 (column,row) 散列中的位置0,4中。
Precision V type rack can also be used with a gripping, party box bow frame, can put a V type cylindrical workpieces firm grip in V type shelf, flip to each position crossed.
精密V型架也可作方箱使用，带有夹持弓架的V型架，可以把圆柱形工件牢固的夹持在V型架上，翻转到各个位置划线。
I want you to make sure that she's kept in a reclined position, and that a continuous watch is kept on her I. V.
我希望你们能保证她始终处于后仰姿势，并连续观察她的静脉输液管。
We are trying to locate the shop on the map. (v. discover the exact position of sth. )
我们试图在地图上找到商店的位置。
The Case Condition principle requires that a noun phrase have Case and Case is assigned by V(verb) or P(preposition) to the object position, or by AUX(auxiliary) to the subject position.
格条件要求名词词组必须有格，而格被动词或介词指定在宾语位置，或者被助动词指定在主语位置。
V-groove structure quality is critical to the functionality of the fiber connector as it govern the position of optic fibers.
对于光纤连接器位置起控制作用的是微沟槽结构，因此微沟槽的质量对光纤连接器的功能起着决定性的作用。
Based on the control scheme for force and position, a control and testing system of metal V-belt CVT is developed in this paper.
基于力位置控制方案开发了金属带式无级变速器的控制测试系统。
The gauge is shown in the test position. In the rest position the plunger shall be above plane V.
图中所示量规处于检验状态。当静止状态时，柱塞应在V面以上。
The failure parts of the CVT metal V-belt which produced in domestic ruptures are analyzed, the break source position is found and the fracture mode of the failure blocks is presented.
通过对某型国产CVT金属带断裂件进行失效分析，发现了摩擦片断裂源位置，提出了摩擦片的失效模式。
Preferably the former is pivoted between open and closed positions and has a slightly V-shaped base which when abutted against a mould or formwork, urges the recess former into the closed position.
优选地，成形器在打开位置和闭合位置之间枢转并且具有略微V形的基部，当V形的基部紧靠模具或模壳时促使凹部成形器处于闭合位置。
On the basis of the position, the defect unclosed directly, we projected below many vicinity skin flaps: "V-Y" slipping flap 12 cases; Submental island skin flap 3 cases;
后遗缺损经局部松解不能直接闭合，根据部位，缺损大小设计以下邻近皮瓣或岛状皮瓣修复：V—Y滑行瓣12：颏下岛状皮瓣3块；
The existing forms of Ni and V and its position for the latter process are discussed. The removal methods of Ni and V are recounted in detail.
讨论了镍和矾在原油中的存在形态，以及对石油后续加工造成的危害。
The existing forms of Ni and V and its position for the latter process are discussed. The removal methods of Ni and V are recounted in detail.
讨论了镍和矾在原油中的存在形态，以及对石油后续加工造成的危害。
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