adium源代码，支持各种IM协议，分析协议是好选择。当然，学习Objective-C，也不错哈-Adium source code, supports a variety of IM protocol, analysis protocol selection are good. Of course, learning Objective-C, also good ha

采用菲涅尔近似公式和傅里叶级数展开的方法, 分析了罗奇光栅、正弦强度光 栅、正弦振幅光栅的泰伯衍射光场的三维强度分布特征, 给出了计算机模拟的三维强 度分布图, 并讨论了一些在三维传感领域有应用前景的性质。-In th is paper, w e calcu late the 32D in ten sity dist ribu t ion of Talbo t diff ract ion f ield of the u sually u sed Ronch i grat ing, s