A sequence is a variable length vector that has two characteristics: a maximum size, which is determined at compile time and which could be unlimited; and a length, which is determined at run time. 序列是变长向量,它有两个特征:元素的最大大小,在编译时确定,可以是无限的;长度,在运行时确定。
The degree of coupling that defines a group of services or components determines which objects must be present at compile time and run time. 定义了一组服务或组件的耦合度将决定在编译时和运行时必须提供哪些对象。
We only need to compile the machine logic source program once, and hereafter we can run target code every time. 我们只需要对机床逻辑源程序编译一次,以后每次直接运行编译所生成的目标代码就可以了。