滤波器最简单的构成方法就是下图所示的直接型结构(direct from structure).图中表示使信号延迟一个采样周期的单位延迟元件(unit delay element),是滤波器的输入,是滤波器的输出.
基于12个网页-相关网页
First, you parse the ID from the XML structure returned from PHP, then you use a switch statement to direct the error to the appropriate message or associated code.
首先，从XML结构(从php返回的)中解析id，然后使用一个转换语句直接指向消息或者相关代码。
China's financial structure is gradually changing from direct control to indirect management.
中国的金融结构逐渐的由直接控制转向间接管理。
The contour of the structure was obtained from direct method.
用直接法获得晶体的粗略结构。
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