channelsn.通道；通路名词channel的复数形式.channeln.频道；海峡；方法；通道；（消息）渠道vt.引导；形成河道；集中（精力）channel routing信道路由channel polling通道探询, 通道轮询channel etching沟道刻蚀channel members渠道成员channel filters信道化滤波器channel tropism归经channel terrace槽形阶地channel loading信道负载channely gulley集污槽进水井channel marking航道标志

1. Firstly, the granulometry is used to obtain bar radius to adaptively select correct parameters.
   首先采用粒度测量术估计棒材图像尺寸半径分布，自适应地选取处理参数。