inner margin

• 内缘

inner margin的用法和样例：

例句

1. Perhaps it was the formation of Neptune near the belt's inner boundary.
   也许是由于靠近柯伊伯带内缘的海王星正在成形。
2. Ring enhancement with a regular inner edge is a specific feature of tuberculoma.
   内缘规则的薄壁周边增强是结核球的一个特点。