Hassan said attendance is not mandatory.
哈桑表示出勤率不是强制性的。
Any variables that are not mandatory can be null.
任何非必需的变量都可以为空。
This is not mandatory but strongly recommended.
这不是强制的，但我强烈推荐使用两个。
"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。
Managerial accounting, on the other hand, is not mandatory.
另一方面，管理会计，是没有强制性的。
The explicit designation of a master slice is not mandatory.
主片的显式指定并不是强制的。
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 is not mandatory; GCC tries provide the appropriate suffix by reading the operands.
这并不是强制性的；g cc会尝试通过读取操作数来提供相应的后缀。
Participation in Halloween is not mandatory, but opting out won't stop it happening.
参加万圣节之夜并不是强制的，但是选择不过并不能躲开万圣夜。
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。
This option is not mandatory: to "activate" the laundry you need to buy a washing machine.
这些设置不是强制性的：“激活”洗衣功能您需要购买一台洗衣机。
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。
If it's not mandatory, then it's a little easier, but otherwise it's a little bit difficult.
如果不是强制的，那就容易的多，否则就困难不少。
Since only simple queries are used henceforth, it is not mandatory to adjust those parameters now.
但是由于目前只需使用一些简单的查询，因此不必强制调整这些参数。
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。
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。
The use of those technologies is very likely, as they fit the requirements well, but it is not mandatory.
这些技术的使用非常接近也非常符合需求，但是不必强制要求使用它们。
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。
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。
The change was not mandatory, and the spokesman would not comment on Air France's failure to follow the advice.
这种改变不是强制性的,所以这位发言人没有就法航没有采取此项建议作出任何评论。
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)。
If the constraint is not mandatory, you have the option of disabling it by clearing the checkbox and clicking OK.
如果这个限制不是强制的，您有权通过清除这个复选框和点击OK选择使它失效。
In New York City, despite the pleas of safety engineers, meaningful fire drills are still not mandatory in skyscrapers.
在纽约城，不顾安全工程师的一再请求，意义重要的火灾避难训练在摩天大楼里仍旧没有强制执行。
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。
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。
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