| 1. | All forms of reciprocal theorems apply to structures which behave linearly .
所有形式的互等定理都适用于线性受力状态的结构。 |
| 2. | This section is devoted to the proof of a reciprocal theorem between a pair of elastodynamic states .
这一节将专门来证明一对弹力动力状态之间的倒易定理。 |
| 3. | The principle of superposition is often used as the main postulate, from which the reciprocal theorems and hence the symmetry of the flexibility matrices are proven .
叠加原理经常用来作为主要的假设，由此互等定理以及柔度矩阵的对称性得到证明。 |
| 4. | Generalized reciprocal theorems and their applications
广义倒易定理及其应用 |
| 5. | Acoustical reciprocal theorem
声学互易定理 |
| 6. | To determine the natural frequency of square plates with the reciprocal theorem of work
用功的互等定理求解矩形薄板的自然频率 |
| 7. | At the end of the chapter 3 , the advantaged effect of radial dilatation of tail grout to friction intensity is simply analyzed according to the reciprocal theorem of work
另外，运用功的互等原理简单分析了尾部灌浆体径向扩张对提高杆侧摩阻强度的贡献。 |
| 8. | According to thinking the joints of plates as elastic boundary supports to plates and by using of the method of separation of variables , betti ' s reciprocal theorem of work , the solution of dynamic equation can be deserved
运用变分法，分离变量法，互等功定理等数学工具求解板的运动方程，可得出弹性地基上考虑接缝传荷能力的道面板在移动荷载下的动力响应(解析解) 。 |
| 9. | Indirect ray method contains the following steps : the receiving plane wave field intensities on an adapted closed surface encloseing the antenna is calculated and then the radiation field of the antenna on the same closed surface is obtained from the given antenna . after using lorentz reciprocal theorem , the far field patterns with and without radome are gotten
间接射线法的分析步骤为:从参考面出发的入射平面波(经天线罩)在闭合面sa (在天线罩内且包围天线)上的接收场为et 、 ht ,天线在sa上的发射场为ea 、 ha ,由洛仑兹互易定理可求出天线的远区场。 |
