This method is easy and effective and it is suitable in particular for solving those two dimension problems with less complex contour shape.
该方法简单且行之有效，特别适用于解决轮廓形状不太复杂的二维问题。
Contour planning with or without terracing is effective in conserving both soil and moisture.
等高栽植，无论做或不做梯田对于保持水土都能有效。
Geodesic active contour model is an effective method for the contour detection of multiple objects on an image.
短程线主动轮廓模型是近几年提出的一种有效的多目标轮廓提取算法。
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