侧边缘 meaning in English

lateral border

By the outer margin of the pit was an oval pond, and over it hung the attenuated skeleton of a chrome-yellow moon .
在深谷的外侧边缘，有一个椭圆形的池塘，池塘上高悬着一勾朦胧昏黄的残月。
Two inner ' ears ' are attached to the inside edge of the endplates ( red arrow )
端板的内侧边缘分别装上了两个内‘耳翼’ （红色箭头）。
Upon that an efficient thinning algorithm based on borderline ( etab ) is proposed which treats with individual pixels point in each step and picks up unilateral edge points sequence as the framework of a character image
算法每一步都针对单个的像素点作处理,并提取笔划单侧边缘点序列作为字符图像骨架。
However , a longitudinal midlateral incision , especially on a finger or thumb or on the ulnar border of the hand , produces little scarring because it is located where movements of the skin are relatively slight
然而，纵向的侧方正中切口，尤其在手指或手部的尺侧边缘，只产生很少量的疤痕，因为此处皮肤的活动相对较少。