First, you create a document library that stores the advanced search attributes and optional values.
首先，创建一个存储高级搜索属性和可选值的文档库。
The basic library is optional; anybody can create an alternative framework.
这个基本类库是可选的；任何人都可以创建框架来替换它。
The real power of XProc is embodied in its standard library of required and optional steps, which perform a wide variety of tasks, such as.
Xproc真正的强大之处在于必需和可选步骤的标准库，这些步骤执行广泛的任务，例如。
Child Tags is an optional section that may be added to a tag in a library definition.
ChildTags是一个可以向库定义中标签添加的可选部分。
Perhaps the most significant aspect to XProc is the 30-40 steps defined in a standard XProc library, which are split into a set of required and optional steps.
Xproc的最重要的方面也许是标准xproc库中定义的第30 - 40步，这些步骤被划分为必需和可选的步骤集合。
So the library books are all optional background.
所以图书馆内的书，都是可供选择的背景资料。
Developers will be freed both from the need for using a bulky type library, and the need for including optional arguments in their method calls.
开发人员再也无须引入众多的类库，或是指定调用方法时的可选参数了。
Use an installer to place optional resources in the appropriate Library subdirectory of the user's system.
使用安装器来将一些可选的资源文件放在用户系统中合适的Library子目录下。
Moreover, a type library is optional.
此外，型别程序库是选择性的。
The names of the target application and the type library file are optional.
目标应用程序的名称和类型库文件的名称都是可选的。
The names of the target application and the type library file are optional.
目标应用程序的名称和类型库文件的名称都是可选的。
应用推荐