| 1. | A vector is defined by a direction as well as a magnitude .
一个矢量要用大小和方向来表示。 |
| 2. | Its conservation law encompasses both its magnitude and its direction .
它的守恒定律包括大小和方向两方面。 |
| 3. | Force is not the only physical quantity which requires the specification of a direction in space as well as a magnitude .
需要表明大小和方向的物理量，不只是力。 |
| 4. | The pressure force on small particles fluctuates from moment to moment in magnitude and direction .
在小的粒子上的压力，从一个时刻到另一个时刻，在大小和方向上都有起伏。 |
| 5. | To define stress, we need an area element of arbitrary size and orientation without insisting that it have any particular shape .
为了定义应力，需要利用一个大小和方向任意而形状无特殊要求的面元。 |
| 6. | A variable that has magnitude and direction
一种具有大小和方向的量。 |
| 7. | Measure these change , we can calculate the magnitude and direction of the three - axis force
因此，检测石英晶体谐振频率的改变量，便可计算出三轴力大小和方向。 |
| 8. | The size and orientation of stress are the important parameters in petroleum exploration and development
摘要地应力的大小和方向是石油勘探与开发中的重要参数。 |
| 9. | When there is an angular rate input , the fluid will deflect by the effect of coriolis acceleration
当有角速度输入时，射流束在哥氏力的作用下发生偏转，偏转的大小和方向取决于输入角速度。 |
| 10. | Judging by the different magnitude and direction of the wavelet packet coefficient modular maximum , we can select the single phase - to - earth line
利用各个出线零序电流在能量最大频带上小波包系数模值的大小和方向的不同来实现故障选线。 |
