| 1. | The equations are written in rectangular coordinates .
这些方程是在直角座标系中写出的。 |
| 2. | Vector differences may also be found by the method of rectangular resolution .
矢量差也可用正交分解求得。 |
| 3. | The magnitudes of the rectangular components of a vector are easily computed .
一个矢量的正交分量的大小是很容易计算的。 |
| 4. | Stability within a baffle compartment can be studied by using a rectangular zone .
隔板腔内的稳定性选用矩形区域进行研究。 |
| 5. | Rectangular plastic cards coated with magnetic material are employed in this device .
这种装置使用涂有磁性材料的矩形塑料卡片。 |
| 6. | Small rectangular backup bars were used to fabricate the web-bottom flange connection .
在腹板与下翼缘的施焊中使用小矩形挡板。 |
| 7. | Construct a set of rectangular axes and resolve any inclined forces into rectangular components .
作一组直角坐标轴，把各力都分解成正交分量。 |
| 8. | In fig. 6-1(c), the motion of a particle is referred to by a rectangular coordinate system .
在图6-1（c）中，质点的运动是用直角坐标系来描述的。 |
| 9. | Tong uses the model to analyse the effect of a rectangular obstruction in a channel .
董使用“混合”模型研究了管道中有矩形障碍物时所产生的影响。 |
| 10. | A series of parallel strips of rectangular section is cemented over a lower sheet .
使用一组截面为矩形的互相平行的试条，并将它们粘贴在一薄片上。 |
