At present, the methods of edge detection of erythrocyte are using traditional theory such as edge one-order or second-order orient differential coefficient and using simple methods to detect edge.

目前，红细胞边缘形态的检测一般都是利用传统的边缘检测方法，如边缘临近一阶或二阶方向导数法，利用简单的方法来检测边缘。

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Be sure to Orient C2 correctly, with the negative side closest to the edge of the board.

请务必在东方的C2正确，与消极的一面最接近的边缘董事会。

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