Initially both detector and lens are flat. Beneath both the membranes of the detector and the simple lens are Chambers filled with water.
最初检测器和透镜都是平的，在检测器薄膜和透镜单片下是装满水的舱室。
The paper introduces the design of a practical valve opening detector which has the characteristics of simple structure and low cost.
设计了一种实用的阀门开度检测器，该检测器具有结构简单、成本低等特点。
An improved algorithm of line detector is presented for a visual model of simple cell.
在简单细胞的视觉模型基础上，提出一种线条检测器的改进算法。
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