False beliefs can be useful in a social sense even if they are not useful in a factual sense.
错误的信念虽然在事实意义上没有用，但从社会意义的角度来讲是有用的。
Many critics claim that some subjects taught in educational centres are just wasting time and are not useful to the student.
许多评论家声称，在教育中心教授的一些课程只是在浪费时间，对学生毫无用处。
This translates into hype that’s not useful.
成炒作，这不是有益的，这转化。
Not to say their end products are not useful or habitable.
这并不是说他们最后完成的建筑是无用或无法居住的。
When the chunks are real three-word chunks, this rule is not useful.
当chunks是一个真正的三词chunks，这个规则并没有用。
The PersonName class is not useful without a person to relate it to.
如果没有一个person与之关联，PersonName类毫无用处。
It is not useful for authentication, since it is so easily discovered.
它对身份验证的作用不大，因为它很容易找到。
Tests that look at only a handful of genes, he thinks, are simply not useful.
他认为那些只检测少数几个基因测试根本没用。
This class diagram is not useful without the details of the abstract relationships.
这个类图如果没有抽象关系的细节将不再像以前那样有用。
Much of the IP data is not useful, beyond the protocol and source/destination address information.
其中除了协议和来源/目标地址信息，其余许多IP数据是没有用的。
This is not useful since queries would typical not use such concatenated values in their predicates.
此索引项是没有用的，因为普通查询不会在其谓词中使用此类串联值。
You are also less likely to over-engineer your approach, adding capabilities not useful to the end user 3.
同时你也不大会把工作做过头，加入对终端用户没有用处的功能 3。
Unsubscribe from ALL junk email (15 minutes) - Even if you subscribed, it is junk if it is not useful to you anymore.
退订所有垃圾邮件(15分钟)-就算你不退订，但对你不再有用的邮件还是垃圾邮件。
While this namespace value is meaningful to describe a DXL document, it is not useful to describe your XML format.
虽然这个名称空间值对于描述DXL文档很有意义，但对于描述xml格式，这个值没有任何用处。
But PPP is not useful for determining the optimal exchange rate between two countries of such different levels of income.
然而购买力平价对确定不同收入水平的两国间的最优汇率没有作用。
An after-insert trigger on the IWH.EDITION table is not useful, as only rows with a status value of start would be intercepted.
edition表上的after - insert触发器并非很有用，因为它只能截获其status值为start的记录行。
These are all great examples of cloud computing, but they're probably not useful to an enterprise looking to use cloud computing.
这些都是云计算的好例子，但是对于打算使用云计算的企业可能没什么用。
However if you want to see the trends, such as what browsers are being used more or less on your site, then a pie chart is not useful.
然而，如果您想查看趋势，如什么浏览器在您的站点上用的更多或更少，扇形图就不是很有用了。
The foam wasn't a very good insulator (in other words, not useful to him at the time), but he was impressed by how light and strong it was.
这种泡沫的隔热能力并不是很好(换句话说，在当时并不能让他满意)，但是他却发现这种泡沫材料非常轻又非常坚韧。
However, if tax ID is only present on one source file, then tax ID is not useful for matching to a data file that does not contain a tax ID.
但是，如果taxID只出现在一个源文件上，那么tax ID对于匹配到一个不包含tax ID的数据文件来说没有用。
Not because 10% improvement is not useful, or that Hadoop is a bad platform, but because those kinds of problems are already being solved by industry.
并不是说10%的改进毫无用处，或者说Hadoop是一个糟糕的平台，而是因为这类问题在工业界正得以解决。
Although you won't use every method of every class, you'll know which classes and methods are essential in a real-world context, and why some methods are not useful.
尽管我们并不使用每个类的每个方法，但是将讨论在真实环境中哪些类和方法是最基本的，以及哪些方法是不太有用的。
Usually on a site, there are pages that are not useful for a search engine to index, such as files in the scripts directory, administrative pages, error pages, and so on.
站点上通常都含有那些搜索引擎没必要建立索引的页面，例如脚本目录中的文件、管理页面和错误页面等等。
Static compression, though, is not useful when the content has to be generated dynamically, such as on e-commerce sites or on sites which are driven by applications and databases.
但是，当内容必须动态生成，比如对于电子商务站点或由应用程序和数据库驱动的站点，静态压缩没有什么用处。
Some time it might be interesting, but not useful, for some student better equipped and more idle than I to work out Newton’s exact relationship to the tradition and MSS. of his time.
尽管没有用处，但对于一个比我条件更好，更悠闲的研究者来说，弄清楚牛顿与传统以及他的时代的确切关系有时可能是一个有趣的命题。
This marginal says that if the value of the brownie variable could ever be -1, the objective function would improve by 0.275, but of course that is not useful for this problem's setup.
如果巧克力松糕变量的临界值可以是-1，那么目标函数就还可以改进 0.275，但是对于这个问题的具体情况来说，这当然没什么用处。
Algae are an attractive way to harvest solar energy because they reproduce themselves, they can live in areas not useful for producing food and they do not need clean or even fresh water.
藻类由于能自行再生，是采攫太阳能的一种很有吸引力的方法，它们可以生长在无利于生产粮食的地方，不需要清水甚至淡水。
As mentioned previously, if the application performs poorly or breaks at the single user load level, it is not useful to continue performance testing the application at higher load levels.
前面已讲过，如果应用程序在单用户负载级别上表现不佳或崩溃，那么继续在更高负载级别上进行应用程序的性能测试是没用的。
As mentioned previously, if the application performs poorly or breaks at the single user load level, it is not useful to continue performance testing the application at higher load levels.
前面已讲过，如果应用程序在单用户负载级别上表现不佳或崩溃，那么继续在更高负载级别上进行应用程序的性能测试是没用的。
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