QueryLang: the language of the query string; this value must comply with ISO 639 and ISO 3166 standards. (this parameter is optional; the default value is the server locale.)
queryLang：查询字符串的语言；该值必须与ISO 639和ISO 3166标准一致(该参数是可选的；默认值为服务器的位置)。
This parameter is optional and can be specified as a string, integer, or hexadecimal value corresponding to the LCID of a language.
此参数是可选参数，可以指定为与某种语言的LCID对应的字符串、整数或十六进制值。
The basic idea is getting the proper language at installation time, or through the use of optional packs.
基本的思路是：在安装时获取合适的语言，或者通过使用可选包来改变程序语言。
This syntax is a little confusing at first, but it gives Ruby the ability to simulate named, optional parameters with minimal additional overhead to the language.
开始时，这个语法有点让人迷惑，但是它为Ruby提供了模拟已命名的可选参数的能力，而所需的语言的额外开支却很小。
While defining the language and character encoding is optional, it's recommended to always declare both at document level, even if they're specified in your HTTP headers.
虽然语言和字符编码的定义是可选的，但还建议都在文档层进行声明，即使他们都在你的HTTP报文头部中已经确定。
The literary language is not the result of optional word by the people but is the outcome which is stipulated and restricted by own "collective model".
文学语言不是人们随意遣词造句的结果，而是受自身“集体模式”规定与制约的产物。
The optional matching in SPARQL (draft) which is an RDF query language and proposed by W3C recently is just such a query mechanism.
W3C新近提出的SPARQL语言(草案)中的非强制匹配就是这种查询机制，本文着重研究SPARQL中非强制匹配的查询处理技术。
That "wuqi" was an optional conjunction in ancient Chinese language does not mean that it is used as a conjunction all the time.
“亡其”是古汉语中的一个选择连词，但并不是所有的“亡其”都用作连词。
That "wuqi" was an optional conjunction in ancient Chinese language does not mean that it is used as a conjunction all the time.
“亡其”是古汉语中的一个选择连词，但并不是所有的“亡其”都用作连词。
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