As with the IRR function, guess is an optional argument.
与irr函数一致预测值是可选参数。
The open-parenthesis is followed by an optional argument list.
开括号后面跟着一个可选的参数列表。
Recall that the constructor takes the cache object as an optional argument.
回想一下，构造函数以可选参数的方式接受缓存对象。
The function has the syntax IRR (range of cash flows, [guess]), where guess is an optional argument.
函数的语法为IRR(现金流区域 [guess])这里的 guess是一个可选参数（预测值）.
The MetadataServlet works the same way but has an optional argument that the metadata service implementation can use as a hint to retrieve the metadata.
MetadataServlet也是这样工作，但是有一个可选的参数，可以被元数据服务实现做为提取元数据的一个提示。
You can add an optional argument, a variable that holds the return code from the external program, such as 0 for success, which provides a better mechanism for debugging.
您可以添加可选的参数，即保存从外部程序返回的代码的变量，比如表示成功的0，这为调试提供更好的机制。
Priority is an optional integer argument that can be used to specify the order in which the functions associated with a particular filter are executed (default: 10).
priority参数是一个可选的整型参数，他用来指明在结合特定事件的多个函数中，当前函数被执行的顺序(默认为10)。
Priority is an optional integer argument that can be used to specify the order in which the functions associated with a particular action are executed (default: 10).
priority参数是一个可选的整型参数，他用来指明在结合特定事件的多个函数中，当前函数被执行的顺序(默认为10)。
The colon at the start of the command is optional, but it's a good idea to include it; doing so makes the command easier to locate in the (usually complex) argument list of an autocmd.
命令开始处的冒号是可选的，但是最好加上；这么做能够让命令更轻松地在一个(往往很复杂的)autocmd参数清单中定位。
As a second argument, it can also accept an optional pthread_mutexattr_t pointer.
第二个参数，可以接受一个可选的pthread _ mutexattr_t指针。
To put the RSS feed aggregator to work, you have to use the following command syntax (note that the last token at the end of the command syntax below is an optional command-line argument)
要想让RSS提要聚合器开始工作，必须使用下面的命令语法（注意此命令语法末的最后一个标记是一个可选的命令行参数）
The first argument is the substring, the second argument is the search string, and an optional starting position can be supplied as a third argument.
第一个参数是子字符串，第二个参数是搜索字符串，可选的起始位置可以提供作为第三个参数。
An optional integer argument that can be used to specify the order in which the functions associated with a particular filter are executed (default: 10).
priority参数是一个可选的整型参数，他用来指明在结合特定事件的多个函数中，当前函数被执行的顺序(默认为10)。
This article doesn't explore it, but size accepts an optional third argument for mode.
本文无意对此做深入探讨，但size接受可选的第三个参数mode。
Accepted_args is an optional integer argument defining how many arguments your function can accept (default 1), useful because some hooks can pass more than one argument to your function.
accepted_args参数是一个可选的整型参数，他定义了你的函数中可以接收多少个参数(默认为1)。该参数是非常有用的，因为某些Hook可以向你的函数中传入多个参数。
The row version takes one argument, a string, and an optional block.
row版本将获取一个实参、字符串和可选块。
The type argument communicates the command to perform and is associated with an optional buffer with its length.
type参数是用于传递所执行的命令，它指定了可选的缓冲区长度。
Return a new dictionary initialized from an optional positional argument or from a set of keyword arguments.
返回一个新的由可选的位置参数或一组关键字参数初始化的字典。
The value given to an optional parameter if no argument is provided.
默认值：如果不对可选参数进行赋值的话，该参数会用默认设置的值。
Also takes an optional numeric argument to step multiple lines.
还接受一个可选的数字参数多行一步。
Takes an optional numeric argument to step multiple times.
接受一个可选的数字参数多次。
When you call a procedure with an optional parameter, you can choose whether to supply the argument.
定义带可选参数的过程的另一种方法是使用重载。
When a procedure defines an optional parameter, it might be necessary to determine whether or not the calling code has supplied the corresponding argument or omitted it.
当程序定义选择性参数时，可能需要判断呼叫程式码是已经提供对应的引数，还是省略引数。
You can specify that a procedure parameter is optional, so that the calling code does not have to supply an argument for it when it calls the procedure.
您可以将程序参数指定为选择性的，以便在程序码呼叫程序时，呼叫程序码不必提供引数给它。
When you call a procedure with an optional parameter, you can choose whether to supply the corresponding argument.
调用带可选参数的过程时，可以选择是否提供对应的参数。
When you call a procedure with an optional parameter, you can choose whether to supply the corresponding argument.
调用带可选参数的过程时，可以选择是否提供对应的参数。
应用推荐