这个物理量的量纲是长度。

The dimension of this physical quantity is length.

物理量的数字表示

Digital representation of a physical quantity

用于传递数据的一种物理量的变化(量).

A variation of a physical quantity, used to convey data.

我们常用物理量来描述一个物体的特征.

We often use physical quantity to describe the features of an object.

试举出温度之外的另一个物理量，当两个系统相接触时，该物理量也趋于均匀。

Name a physical quantity other than temperature that rends toward equalization when two systems are brought into contact.

最后式子的实部被理解为代表所求的物理量。

The real part of the final expression is understood to represent the physical quantity in question .

动量是度量物体机械运动强弱程度的一个物理量.

Momentum is a physical quantity measuring the intensity of the mechanical motion of a material body.

在核测量中，定标器是基本的测量仪器，用来确定与要测量物理量相关的脉冲计数。

In nucleus survey, The scaler is a basic equipment which is used to record pulses, correlated with wanted physical quantity.

它们是同一种物理量。

They are the same quantity.

黏度是流体的一个重要物理量。

Viscosity is an important physical parameter of the liquid.