routine root的意思|示意

Before moving on I can describe a very simple example of pre - and post-conditions: a routine that computes the square root of a real number.

在结束此话题之前，我可以举一个有关前置和后置条件的简单例子：一个例程要计算一个实数的平方根。

AIM:To observe the clinical effect of endodontic surgery. METHODS: 10 cases were reacted badly to or couldn't be treated by routine root canal therapy.

目的：通过根管外科手术，治疗一些常规根管治疗疗效不佳，根管内有不能取出的充填物而不能进行常规根管治疗的患牙。

std::string root_name( ): Given a path that begins from the root of the file system, this routine returns a string that contains the first character of the PATHNAME.

string root_name( )：在给定从文件系统根目录开始的路径的情况下，此例程将返回包含 PATHNAME 的第一个字符的字符串。