| 1. | The newspaperman summarized the crux of the aerodynamic phenomenon .
记者总结了空气动力现象之谜。 |
| 2. | Light kernels may be removed by a pneumatic or air seperator .
轻的粒籽可以通过空气动力，即气流分选机清理出来。 |
| 3. | These effects appear to be negligible with respect to aerodynamic coefficients .
就空气动力系数这方面来说，这些影响似乎可以略去。 |
| 4. | The aerodynamic forces on any control surface produce a moment about the hinge .
在任何操纵面上的空气动力均产生围绕其铰链轴的力矩。 |
| 5. | This curvature of the flow field alters the pressure distribution and the aerodynamic forces from their values in translational flight .
流场的弯曲使压力分布和空气动力与直线飞行时的值相比发生了变化。 |
| 6. | The use of expression such as these for the aerodynamic forces converts the differential equations of motion into integro-differential equations .
如对空气动力采用这类表达式，就将运动的微分方程变换成积分微分方程。 |
| 7. | In contrast to the aerodynamic winged vehicle, a true ballistic missile is controlled for only a few minutes at the start of its flight .
与空气动力有翼导弹大不相同，一枚真正的弹道导弹只在起飞的几分钟内受人们控制。 |
| 8. | The dynamic performance of a ram air system will vary with mach number and altitude and this tends to follow the aerodynamic characteristics of the missile .
像导弹空气动力特性一样，冲压空气式系统的动态特性随马赫数和高度的变化而变化。 |
| 9. | Of all the aerodynamic parameters required in stability and control analysis, the hinge-moment coefficients are most difficult to determine with precision .
进行稳定性和操纵性分析所需要的全部空气动力参数中，铰链力矩系数最难准确地确定。 |
| 10. | The aerodynamic terms in the force and moment equations have all been replaced by the state variables of which they are functions and control forces and moments .
力和力矩方程中的空气动力项已经全部用为其函数的状态变量及操纵力和力矩所代替。 |
