usual practical的意思|示意

In usual materials, one finds an inverse relation between the two properties, whereas for many practical applications simultaneous presence of both properties is desirable.

在通常的材料中，人们会发现这两种性质之间的反比关系，而在许多实际应用中，同时存在这两种性质是可取的。

The day of our wedding, we hid our car in a friend's garage to avoid the usual practical jokers.

婚礼那天，我们把车子藏在朋友的停车场以避免有人开例行玩笑。

With the practical problems in the work in pharmaceutical enterprises, the usual problems in the management of GMP document and relevant solving methods were discussed in this article.

本文从制药企业工作中的实际问题出发，探讨企业在GMP文件管理中的常见问题和解决方法。