| 1. | We shall study double integrals over more general sets in the plane .
我们将研究定义在平面上更一般的集合中的二重积分。 |
| 2. | The symmetry of double integral and its application
重积分的对称性及其应用 |
| 3. | Use double integral to deal with definite integral problem
构造二重积分解决定积分问题 |
| 4. | Time best control of double integral models
双积分模型的时间最优控制 |
| 5. | Double integrals in integral inequality proof application
二重积分在积分不等式证明中的应用 |
| 6. | Solving the problem of definite integral by means of double integral
利用二重积分解决有关定积分的问题 |
| 7. | Discussion on the pedagogy of concept of limit , definite integral and double integral
二重积分概念教法之探讨 |
| 8. | Generalize the integral characters of the odd and even functions of the unary definite integral in the symmetrical interval about the origin are generalized to the double integral of binary symmetrical functions in the symmetrical region , where similar characters are obtained
摘要导出了把一元定积分中奇、偶函数在关于原点的对称区间上的积分性质推广到在对称区域上的二元对称函数的二重积分的情形。 |
| 9. | An active vibration control of piezoelectric flexible adaptive truss structure in space was developed by the method of an improved integral plus double integral force feedback under measuring the displacement , using the mechanical - electro coupled theory of the adaptive structure
基于自适应结构的机电耦合理论，在测量位移的情况下，采用改进的二次积分力反馈控制方法研究了空间压电柔性自适应桁架结构的振动主动控制问题。 |
| 10. | Using the method of conversing double integrals into linear integrals , we obtain two theorems and their corollaries for double integrals of linear - fractional homogeneous functions with two variables , and construct some typical examples that are difficult to be calculated by ordinary methods to illustrate their applications
摘要通过把二重积分转化成曲线积分，得到二元分式线性齐次复合函数积分的两个定理及其若干推论，并构造一些比较典型的用一般方法难以计算的例子说明结论的应用。 |
