upper boundary
短語(yǔ)詞組
- upper surface boundary condition 上邊界條件
- upper atmosphere boundary 大氣層上限
- control upper -boundary 控制上界
- upper forest boundary 森林上限
- Lower -Upper Carboniferous boundary 下
- middle -upper devonian boundary 中
- upper boundary flow line 上限流線 返回 upper boundary