不推荐也不必要明天都备份虚拟机。但至少得有备份的计划吧。
We wouldn't necessarily recommend backing these up every single night, but you should at least consider some type of backup plan.
但是，工作组怀疑设立数据中心对减轻基建风险既不是有效也不必要的条件。
However, the Working Group argues the data centres location is neither a sufficient nor a necessary condition to mitigate infrastructure risks.
两条异面直线的距离也不必要找出公垂线段，只需利用向量的射影性质来解即可。
Two different surface straight lines distance not essential discovers male hangs the line segment, only must solve using the vector projective property then.
毫无疑问：光鲜与灵活的性格在其他事业上很有用，但在学术研究上，它们既不足够，也不必要。
Let there be no doubt: brilliance and quick-thinking are valuable in other pursuits. But, they're neither sufficient nor necessary in science.
我们要坚持正确的前进方向，但不可能也不必要去对遥远的未来作具体的设想和描绘。
We must never deviate from the correct course of progress, but it is neither possible nor necessary to envisage or describe in great details the development course in the distant future.
切忌背诵那些生词，当然也不必要，因为在以后的学习过程中你还有机会再次遇到那些生词。
Do not try to memorise those words as it is not necessary because you will have the opportunity to experience in the future.
直接进行通用的段落自动对齐具有相当的难度，也不必要，鉴于此，提出将段落对齐转化成分段对齐进行实现。
Because it is difficult and unnecessary to align paragraphs directly, this problem is changed into a "segmentation and alignment" one.
容器使用的指针以及迭代器类型既不必要指向也不必要符合迭代器。(这句翻译的好怪…)，即便他们看起来应该模范他们应该做的行为。
The pointer and iterator types used by the container are not necessarily neither Pointers nor conforming iterators, although they shall simulate most of their expected behavior.
与此同时，尽管日本和韩国一些最优秀的学生的数学成绩远远好于几乎其他所有学生，他们也会有不必要的悲观想法。
Meanwhile, some of the best students from Japan and Korea for example were needlessly pessimistic even though they did far better in maths than almost all of other students.
病人的沉默不应被过早打断，也不应该不必要地持续下去。
A patient's silence should not be interrupted too early or allowed to go on unnecessarily.
我已经把所有的牵绊都留在了门外，因为在这个成功殿堂中，并不需要这些而且其本身也并不必要。
I have left all my limitations outside the door because in this great hall of achievement they are not required neither will they be necessary.
他对美国的态度也比较简单，赞成恢复彼此更为热忱的关系，结束不必要的敌对。
He has an uncomplicated approach to America, in favour of restoring warmer relations and ending unnecessary hostility.
如果你为如何挨到下个月发工资而发愁（我也曾身临此境），那么减少不必要的开支绝对可以帮到你。
You can invent your own version, and if you're more worried about how to survive until the next paycheck (I've been there), then cutting back on the unnecessary will help you get there.
虽然许多公司渴望采用这种模式，但是在大多数情况下它都是不必要和非最优的——当然也不是最差的，其原因在于它很难实现。
While many companies aspire to this, for most it's unnecessary and not optimal -- not the least because it's hard to achieve.
而对于list，则是不必要的，尽管也允许使用单个逗号。
For a list, this isn't necessary, although using the single comma is allowed.
Blankertz博士也说，为避免系统误报引起的不必要的刹车，还有些工作要做。
Dr Blankertz also said more work needs to be done on avoiding false alarms - to avoid the possibility that the machine could misread a drivers' brain signals and brake unnecessarily.
由于没有哪一方需要管理内存，确定缓冲区的大小就变得不必要了(因而也不可能存在前面指出的多次执行问题)。
Because no party needs to manage memory, buffer-size identification becomes unnecessary (hence there's no possibility of the multi-execution problem identified earlier).
也会经常问自己，如果不这么做，会对我的任何或者结果有什么影响？ 当任务列表过长以至于没法完成时，排除不必要的任务就非常重要了。
Shaving unnecessary tasks is important when the list gets too long to complete.
能控制自己不要买太多不必要的衣服就再好不过了，但我知道其中很多人都有购物癖，就算那些没购物癖的人时间长了也会堆积一堆东西。
It’s best if you refrain from buying too many more unnecessary clothes, but I know some of you are shopaholics, and even the rest of us accumulate stuff over time.
同时我也想提醒大家，在今后的报道中，能尽量对消息加以证实，以免对会谈产成一些不必要的误导，使有关方面产生误解。
However, I would also like to remind you that you should verify what you reports and sources they come from to avoid misleading the talks and resulting in misunderstandings.
这样就导致了令人难以理解以及不必要的市场分歧—反过来也阻碍了有实用价值的新模式的采用。
This caused a great deal of confusion and needless market fragmentation — which, in turn, impeded the adoption of the useful new paradigm.
正如选择放弃一样，这个选择也会定义你，不必要的推迟已经通过拖延定义了你。
This choice will define you, just as the choice not to persist, to needlessly delay has already defined you through procrastination.
只有医生们也全身心投入了，我们才能真正成功地减少不必要的诊疗项目。
We are not going to be successful in reducing unnecessary care until physicians are also engaged.
这可能是最重要也最被忽视的设计技巧了。去掉不必要的部分，也是最难做的部分之一。
Perhaps the most important and under-appreciated design technique, trimming unnecessary parts of a project, is also one of the hardest to do.
作为家长，控制我们自己对不必要行为的情绪和反应也可以向你的孩子示范良好的压力管理技巧。
As parents, mastering our own emotions and responses to unwanted behavior can also show your child good stress management techniques.
覆盖率分析也可以帮您找到测试用例是否有冗余：测试在代码的同一路径下反复运行，导致了不必要的时间延迟。
Coverage analysis also helps find out if there are any redundant test cases: tests that exercise the same path in the code over and over again, causing unnecessary delays.
新推出的服务不必要完美，推出之后如果顾客喜欢再作完善也不迟。
New services do not have to be perfect, since they can be improved after their launch if consumers like them.
这种分区消除了主机间不必要的PLOGI动作，也消除了故障的HBA对其他HBA产生影响的风险。
This zoning removes unnecessary PLOGI activity from host to host, as well as removing the risk of problems caused by a faulty HBA affecting others.
这种分区消除了主机间不必要的PLOGI动作，也消除了故障的HBA对其他HBA产生影响的风险。
This zoning removes unnecessary PLOGI activity from host to host, as well as removing the risk of problems caused by a faulty HBA affecting others.
应用推荐