这不是强制的。
这并不是强制性的。
Any variables that are not mandatory can be null.
任何非必需的变量都可以为空。
Note that setting this variable is not mandatory.
注意，设置此变量并不是必需的。
Hassan said attendance is not mandatory.
哈桑表示出勤率不是强制性的。
"At least the Harvard policy is not mandatory," says Adler.
“至少哈佛的政策不是强制性的，”他说。
The explicit designation of a master slice is not mandatory.
主片的显式指定并不是强制的。
For a client process, it is not mandatory to issue a bind call.
对于客户端进程，发布bind调用不是强制的。
Use of a deployment plan is not mandatory to deploy all applications.
使用部署计划并不是部署所有应用程序所必需的。
This mapping is the common practice, but it is not mandatory, though.
这种映射是常见的使用方式，但不是必要的。
An objects clause may be inserted in the memorandum but is not mandatory.
目的条款可以规定在公司简章中，但并不是强制性的。
Editor's note: in China, it is not mandatory to patent a drug before it is licensed.
编者按：中国并无强制性规定要求药物在许可前必须先获得专利。
This interruption mechanism is not mandatory and may not be supported by all JOLAP providers.
这种中断机制不是强制性的，不是所有的JOLAP提供程序都支持。
Comments are not mandatory parts of the Code, but provide examples and other clarification.
评述不是准则的强制要求内容，而是提供了例证及其他的澄清。
Foreign firms can only sell commercial auto insurance now but not mandatory auto insurance.
外国公司现在只能销售汽车商业保险，但汽车强制险却不可以。
It is not mandatory to use the same initial context for both the authenticator and populator beans.
并不强制要求authenticator和populatorbean使用相同的初始上下文。
Ontario has part-day kindergarten for four-year-olds, but school is not mandatory until Grade one.
安大略省有面向四岁儿童的半日制幼儿园，不过在小学一年级以前并不强制儿童入学。
Experience working with an application server and relational database is beneficial but not mandatory.
有应用服务器和关系型服务器的工作经验更好，但不作硬性要求。
It is not mandatory to use them, but you should specify a default severity for any rules that you create.
对它们的使用并不是强制性的，但是您应该为您创建的所有规则都详细说明它们默认的严重性。
Although not mandatory nor provided in every package, it's a good idea to test the software you just built.
最好对您刚编译的软件进行测试，尽管这在每个包中并不是强制的，也没有提供相应的内容。
Enter the website URL and also sitemap URL (sitemap is not mandatory, but it is highly recommended to add one).
键入网站地址，也可以是网站地图的地址(网站地图地址不是必填的，但是强烈建议添加一个)。
To get the most value from this tutorial, it is recommended (but not mandatory) that you be familiar with the following.
为了能够从本教程中取得最大的收获，我们建议您(但并非必须)对如下内容有所了解。
When Congress modified the Paulson plan, it introduced provisions that made such a capital injection possible, but not mandatory.
国会后来对保尔森方案进行了修改，引入了让资本注入成为可能的条款，但却不是强制性的。
Experience working with various project building technologies such as Ant, autoconf, make, and nmake is beneficial but not mandatory.
如果有各种项目构建技术的经验(如ant、autoconf、make和nmake)也很好，但不做强制性要求。
She says the training module only offers ideas for developing one's spiritual side. It is not mandatory and has no effect on one's career.
她表示这个训练模块只是为个人精神方面的加强提供指导，并不是强制的，对个人职业生涯不会有影响。
Auditing Guidance Statements do not establish new Auditing Standards, do not amend existing Auditing Standards, and are not mandatory.
《审计指南说明》不建立新的审计标准，不修改已经存在的审计标准，也不是强制性的。
Use of all seven techniques is not mandatory, but doing so can substantially reduce the chance that relevant candidate services have been missed.
我们并不一定需要使用所有7种技术，但是这样做可以大幅降低漏掉相关候选服务的概率。
Use of all seven techniques is not mandatory, but doing so can substantially reduce the chance that relevant candidate services have been missed.
我们并不一定需要使用所有7种技术，但是这样做可以大幅降低漏掉相关候选服务的概率。
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