| 1. | Exact perpendicularity between the components must be maintained .
各分量之间必须严格地保持互相垂直。 |
| 2. | A corner cube consists of three mutually perpendicular reflecting planes .
角棱镜是由3个互相垂直的反射平面组成。 |
| 3. | The molecule of the figure has two mutually perpendicular rings with one atom in common .
图中的分子有共用着一个原子的两个互相垂直的环。 |
| 4. | In every state of stress there exist at least three principal planes, which are mutually perpendicular .
对每一种应力状态，至少存在三个主平面，它们互相垂直。 |
| 5. | We have shown surface tractions on three rectangular boundary surfaces of the body .
在这个单元体的三个互相垂直的边界上，我们指明了作用在这些边界面上的面力。 |
| 6. | His plan is to drop perpendiculars from each point of the curve upon two planes intersecting at right angles .
他的计划是：从曲线的每个点处作线段垂直于两个互相垂直的平面。 |
| 7. | Construct the part of the tangent of the deltoid intercepted by the curve
2三角星形线的两条互相垂直的切线的交点在哪里 |
| 8. | Construct two mutually orthogonal tangents of the deltoid . where do they meet
三角星形线的两条互相垂直的法线的交点在哪里 |
| 9. | Inside the windows three mirrors are placed mutually perpendicular to one another resembling the corner of a cube . side effect
窗内摆放了三面互相垂直的平面镜，形状就如正方体的一角。 |
| 10. | The electric and magnetic fields oscillate perpendicular to each other and perpendicular to the direction the light is traveling
它的电场与磁场以互相垂直的方向振荡，并垂直于光的行进方向。 |
