第2和第3节分别简要介绍单位分解法和水平集法；

The partition of unity method (PUM) and Level Set Method (LSM) are briefly introduced in sections 2 and 3, respectively.

youdao

第2和第3节分别简要介绍单位分解法和水平集法；

The partition of unity method (PUM) and Level Set Method (LSM) are briefly introduced in sections 2 and 3, respectively.

youdao