查询词典 optional

You can also specify for words to be optional or mandatory, and the number of thesaurus alternatives.

你还可以指定被选择或者执行的单词，以及选择性同义词的数量。

This paper puts forward the reasonable optional method of timbering parameter for big section room construction,as well as the items should be noticed and the problems should be solved first in construction course.

通过对平岗煤矿二水平绞车硐室施工过程进行分析，提出了大断面硐室施工时支护参数的合理选择方法，以及在施工过程中应注意的事项和需要重点解决的问题。

The second parameter is an optional timeout (e.g., 300), measured in seconds .

第二个参数是个可选的参数timeout，以秒为单位。

Hard top tonneau covers are the ultimate in custom looks: molded-over edges, seamless fitting and optional paint matching.

打顶tonneau首日封最终在看似风俗：塑造超过边缘，浑然一体，并择装修油漆匹配。

It seated up to 8 passengers with optional towing capabilities.

它坐了8名乘客可选牵引能力。

The optional argument display defaults to 1 and can be set to 0 to suppress sending the traceback to the browser.

可选参数 display 缺省为1，可以被设置为0禁止发送追踪到浏览器。

An optional message string is appended at the beginning of the traceback.

一个可选的message字符串附加在回溯的开头。

An optional output capacitor can be added to improve transient response.

一个可选的输出电容可以添加，以改善瞬态响应。

Optional control of transmission ratio and system parameters is realized under different operation condition and different control modes.

在此基础上，对金属带式CVT系统进行了软件进行了设计和编制，实现在不同工况和不同控制模式下，对传动速比和系统参数的优化控制。

File objects also have a truncate method, which takes one optional argument, size.

文件对象还有一个 truncate 方法，它接受一个可选的 size 作为参数。

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。