Let be the obtuse angle between two adjacent faces of the solid.

设立体中两个相邻面之间的钝角为。

Still having a bit is, the user that does not let be willing to be contacted with you fills in multifarious form.

还有一点就是，不要让愿意与你联系的用户填写繁杂的表格。

Let be a ring almost satisfying the descending chain condition for principal left ideals and has a unity.

本文主要研究了有单位元的主左理想几乎满足降链条件的环为完全环的条件。

Chinese contemporary entrepreneur: The client that should let be used to using pilfer edition software turns using original software is quite difficult.

中国现代企业家：要让习惯于使用盗版软件的客户转用正版软件是相当困难的。