The librarian there set the rules for the new library.

那里的图书管理员为新图书馆制定了规章制度。

youdao

The key used for your application object will be embedded in your rules, making it difficult to change once you have a library of rules.

应用程序对象所使用的键应该嵌入到规则中，在具有规则库的情况下，请确保无法轻易地对该键进行更改。

youdao

In contrast to "luvcview" it initializes the new Logitech commands for pan/tilt/focus without the need for a helper library or fiddling with XML files, udev rules etc.

与"luvcview"不同的是，他初始化罗技他们家的摄像头时用pan/tilt/focus命令即可。 而无需库的帮忙、摆弄XML文件或者udev规则（设备文件在系统中出现的方式）。

youdao

The Library of Congress's rules establish federal copyright penalties for unlocking a cellphone.

WSJ: White House Calls for Cellphone 'Unlocking'