As you can see, the class begins with String constants.

您可以看到，这个类开始部分是一些String常量。

youdao

Before examining the code to produce the Rdf document, it's important first to understand some constants that have been defined in AtomToRdf (see Listing 8).

在检查代码以创建Rdf文档之前，首先必须理解已在AtomToRdf中定义的一些常量(见清单8)。

youdao

This is through the initialization file (ini) mechanism that you see with the php.ini file, which defines constants such as the timeout on database connections or how sessions are stored.

这是通过php . ini文件这样的初始化文件(ini)机制实现的，在php . ini文件中定义了数据库连接超时或会话如何存储等常量。

youdao

You'll also see that they have all the physical constants that you're going to need, and also a bunch of the actual equations that we've been using in the first couple weeks here.

大家还可以看到这里有,你可能会用到的所有物理常数，还有一堆公式,是那些我们这几周来一直在用的。

麻省理工公开课 - 化学原理课程节选