脊索是双边对称的，三叶裂的，分段的腔壁。
Chordates are bilaterally symmetrical, triploblastic, segmented coelomates.
研究了基于梯度方向双边对称性的旋转人脸中心的跟踪方法。
A method of face center tracking which is based on bilateral symmetry of gradient direction is discussed in this paper.
同时文中还提出一种充分利用图像灰度信息来度量图像双边对称性的方法。
Moreover, a method of measuring the degree of bilateral symmetry in gray-scale images is put forward which makes full use of the intensity values of object.
同时文中还提出一种充分利用图像灰度信息来度量图像双边对称性的方法。
Moreover, a method of measuring the degree of bilateral symmetry in gray-scale images is put forward which makes full use of the intensity values of object.
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