This routing mechanism supports (among other things) optional and mandatory parameters, default values, nested routes, and callback functions.
这个路由机制支持可选和必选参数、默认值、嵌套路由以及回调函数。
Optional application functions can be loaded as needed, defect can be fixed without rebuilding the complete application, and third-party plugins can included in the application.
可以在需要时，装入可选的应用程序功能，可以在无须重新构建整个应用程序的情况下修正缺陷，并且应用程序可以包含第三方的插件。
Optional packages add even further to the huge collection of standard packages and functions.
可选的程序包为近乎无限的标准程序包和函数集合提供了更进一步的补充。
Again, these are categorized into the mandatory (functions that are always present in this business pattern) and the optional (functions that may or may not be present).
同样，这些功能也分为必需的功能(在这个业务模式中必须存在的功能)和可选的功能(可有可无的功能)两类。
Make all field connections to the remote alarm functions and any other optional features. Do not connect AC power.
进行所有远程警报功能和任何其它选择功能的现场连接。不要连接交流电源。
Two other elements, and, are optional. These elements serve the following functions.
其它两个元素和是可选的。
We have seen built-in functions and methods that take optional arguments.
咱们已经看过好多有可选参数的内置函数和方法了。
Pull all wires necessary for field connections, remote alarm functions, AC power and all other optional features.
拉出所有用于现场连接、远程警报功能、交流电源和所有其它选择功能所必需连接的电缆。
Make all field connections to the remote alarm functions and any other optional features.
进行所有远程警报功能和任何其它选择功能的现场连接。
Make all field connections to the remote alarm functions and any other optional features. Do not connect AC power.
拉出所有用于现场连接、远程警报功能、交流电源和所有其它选择功能所必需连接的电缆。
Pull all wires necessary for field connections, remote alarm functions, AC power and all other optional features.
进行所有远程警报功能和任何其它选择功能的现场连接。 不要连接交流电源。
Stored procedures and user-defined functions are collections of SQL statements and optional control-of-flow statements stored under a name and processed by the database server as a unit.
预存程序和使用者定义函式，是SQL陈述式和选择性流量控制陈述式的集合，由资料库伺服器储存为某个名称，并视为一个单位进行处理。
Intelligentized controlling and remote monitoring functions, could configure and monitor equipment parameters through RS-232 interface support SNMP protocol optional.
l具有智能化控制及远程监控功能，可通过RS- 232接口远程进行设备参数配置及监控。
The Format menu is one of the weakest of the optional menus because it deals almost exclusively with properties of visual objects and not functions.
如果某个应用主要是处理某一种文档或者对象，那么可以考虑把这种文档或者对象作为菜单的名字，这样可能更有意义。
The Format menu is one of the weakest of the optional menus because it deals almost exclusively with properties of visual objects and not functions.
如果某个应用主要是处理某一种文档或者对象，那么可以考虑把这种文档或者对象作为菜单的名字，这样可能更有意义。
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