英语释义

1. the vector of a point drawn from an origin to the point

片语

position n vector位置向量

molecular position vector分子位置矢量

particle position vector粒子位置向量

position vector fields位置向量场

linear position vector线位置矢量

The position vector位置向量

position vector field位置向量场

hodograph of position vector位矢端图

fixed position vector method定位向量法

英汉例句

• So, the velocity vector is the derivative of a position vector with respect to time.

  速度向量，是位置向量关于时间的导数。

• You could say the position vector at another time, or at any time, but in fact, what「s also true is that the velocity vector is in the plane.

  你可以说，位置矢量在另一个时间或在任何时间，无论如何，位置矢量始终在这个平面上。

• The collection position vector of the actuator end of the manipulator was solving with Monte Carlo method.

  采用蒙特卡罗方法求解机械手末端执行器的位置向量集合；

• Objective to investigate the application of position vector in balance evaluation of stroke patients with hemiplegia.

  目的探讨位置矢量分析在偏瘫患者平衡功能评定中的应用。

• And this, now, is the position vector of the center of mass.

  现在，这里是，物体的矢量中心。

• 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

• We have the cross-product of the position vector to this point times the force.

  我们用这个点的，位置向量，乘以这个力。

• Well, I claim that the position vector is in the plane.

  我断言，这个位置矢量在平面上。

• Angular momentum: the vector product of the position vector (from a reference point) and the linear momentum of a particle.

  角动量：(有参照点)的矢量和粒子线性动量的向量积。

• r So, if we wait a certain amount of time, we」ll have a vector, delta r, which is the change in position vector a various interval of time.

  那么如果过一段时间，这就有一个向量△,它是位矢经过一段时间的改变量。

• 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。

• Or, maybe I should insteadthink of it in terms of a position vector if it helps you.

  也许我应该用位置矢量来考虑,如果你们觉得有帮助的话。

• And, we look at how the position vector changes.

  来看看位置矢量的改变。

• And I can rewrite this in vector form as the gradient dot product the amount by which the position vector has changed.

  可以把这些用向量形式重新写下来，就是梯度向量和位置改变量的点积。

• The latter estimates the vehicle position by synchronizing the speed vector and the position vector measured by Beidou system.

  后者首先同步车速矢量与北斗卫星测量得到的车辆位置矢量，再根据融合结果估算车辆定位信息。