The analytical solution for a rectangular thin plate on foundation with four edges free was derived by the double finite cosine integral transform method. In the analytical process the elastic foundation was regarded as Winkler foundation model.
将弹性地基视为Winkler模型，利用双重有限余弦积分变换的方法推导出了弹性地基上四边自由矩形薄板问题解析解的表达式。
After the boundary problem being reduced into dual integral equations by employing Cosine Integral Transformation, the solution of closed form is obtained and the intensity factors of both mechanics and electric are formulated.
用余弦积分变换将边值问题化为对偶积分方程，得到了封闭形式解，计算了裂纹尖端强度因子。
The Solution of Surface Integral for the Velocity Field of Square Bar Drawing Through a Cosine Die
余弦模拉拔方棒速度场的曲面积分解法
By means of higher transcendental functions (exponential integral, sine and cosine integral), the general solutions ofthe problem are obtained.
通过引入高等超越函数（指数积分，正弦和余弦积分等），得到了问题的一般解。
Of course I can set a line integral directly x = cos and compute it by setting x equals cosine T, But maybe sometimes I don't want to do that because my vector field is really complicated.
完全可以直接用一个线积分来做，就让，但是当向量场非常复杂的时候，我不想做线积分。
A new combination entrance optics is developed with the integral cosine error
研制的入射光学系统由聚四氟乙烯积分球、磨砂石英球冠型余弦漫射器和修正环组成，积分余弦误差
In this paper, the sine and cosine shaped sensors have been designed by using the integral characteristics of PVDF piezoelectric film. The sine PVDF sensor can be used alone to measure the displacement, speed, acceleration, stain, stress of the roof beam vibration;
本文利用PVDF压电薄膜独特的积分特性，设计制作了正弦形状和余弦形状传感器，它们单独使用，正弦形状的PVDF传感器可以用来测量梁振动的位移、速度、加速度、应变、应力、弯矩；