例如，一种新的系统允许联合收割机向牵引拖车发送呼叫，以便司机可以在必要的时候卸载谷物。
A new system allows a combine harvester, say, to send a call over to a tractor-trailer so the driver can unload the grain as and when necessary.
我在必要的时候，难道不能在法官面前正确地陈述吗？
Should not I be able to set it forth correctly before the judge, if occasion required?
无线电极在必要的时候还可以进行除去组织。
Wirelessly powered electrodes can also burn away tissue or cauterise as needed.
在必要的时候对餐厅、宴会和会议进行协助。
To assist any of the outlets and Banquet and Convention when necessary.
因此在必要的时候，学会如何适当的催促他人是很重要的。
Therefore, it is very important to learn how to urge others, if necessary, in the proper way. The following are some sentences that may help.
一个供其日常使用，另一个管理员账号只在必要的时候才使用。
One will be the normal account for day-to-day use, and the other will be an administrative account to be used only when necessary.
还有一些人与人合伙，以在必要的时候得到帮助和保护。
Some associate with partners to ensure that they get help and protection in case of need.
他们是调解者，在必要的时候化解冲突并掌控整个谈话回到正题上来。
They are facilitators, defusing conflict and steering the conversation back on topic when necessary.
我只是在必要的时候才会勇敢，勇敢并不代表你要到处闯祸。
I'm only brave when I have to be. Being brave doesn't mean you go looking for trouble.
所以信息和知识一定要对你，适用，在必要的时候，来做生意上的决策。
So information and knowledge has to be suitable for you to make your business decisions when you need to make them.
工程课不是非常的互动，在学习小组里我们也只在必要的时候说话。
Engineering classes aren't particularly interactive, and in study groups, we only spoke when needed.
一项最新研究发现，夫妻双方在必要的时候斗斗嘴有益于身体健康。
A good fight with your spouse could be good for the health, a new study has found.
平民的怒火，特别是当它没有清晰的计划时，在必要的时候能够所向披靡。
Populist anger, especially if it has no coherent agenda, can go anywhere in times of want.
在必要的时候，一个男人可以在七分钟甚至更短的时间起床并准备好一切。
We shave, shower and brush our teeth. When necessary, a man can be up and ready in seven minutes or better.
此外，这个方法允许应用程序的用户在必要的时候重新附加一个新的ID文件。
In addition, this method gives users of your application the ability to re-attach a new ID file when needed.
此治疗需要一到三个小时，而且不象外科手术和放疗，它可以在必要的时候重复。
The treatment lasts one to three hours and, unlike surgery or radiation therapy, can be repeated if necessary.
这对我们是一个优势，知道他们的计划，并且能够在必要的时候采取适当的行动。
This is where we have an advantage in knowing what they plan, and can take appropriate action when required.
因此，明智的家长应该给予孩子自由，同时孩子们在必要的时候也应该请教家长。
Therefore, it will be wise for parents to give them this freedom while for the children they should consult their parents when it is necessary.
这就让一个公司在必要的时候使用云计算，而同时又能保持它对其关键应用程序的控制。
This allows a company to keep control of its key applications while leveraging cloud computing in places where it makes sense.
可以添加和删除索引；通过删除、改名或添加列来修改表；甚至在必要的时候借助于SQL。
You can add and drop indexes; alter tables by dropping, renaming, or adding columns; and even drop down into SQL as necessary.
同时，在必要的时候，尤其是当你需要对别人所说的话进行更正和澄清的时候，你需要做出一定的回应。
And you need to respond when necessary, especially when you need toclarify or correct what someone has said.
最后一个有意思的参数就是句柄继承模型了。它允许在必要的时候，可以喝子进程共享资源。
Finally, the other interesting parameter is the handle inheritance model, this will allow to share this resource with a child process if is required.
这个属性解决了怎么保证在必要的时候，跟某个数据对象对应的TreeViewItem的展开问题。
This property easily solves the problem of ensuring that a data object's corresponding TreeViewItem is expanded when necessary.
从那时开始，我只在必要的时候才使用eval，而且我非常注意如何以更有效率的方式来使用eval。
From that point forward I used eval when necessary; however, I was careful to keep an eye toward using it as efficiently as possible.
考虑一下，允许最好的员工在必要的时候早下班，工作时间灵活，可以在工作中休息，在利用其他时间工作。
Consider allowing top performers to leave work early when necessary, have flexible working hours, earn time off from work, and have comp time for extra hours worked.
确保你的应用只在必要的时候使用远程调用，通过客户端验证，缓存和批量作业最小化不利影响。
Ensure your application only makes remote calls where necessary. Impact is minimized by client-side validation, client-side caching, and batching of work.
这并不意味着要成为孩子最好的密友，而是为了在必要的时候要给孩子设定界限、教育和引导孩子。
That doesn't mean being your child's best buddy, but being there to teach, guide and set limits as needed.
有的时候你只需要去尝试，在必要的时候加以改正，但请记住，如果你心有疑虑，不妨就随它去吧。
Sometimes you just have to try something and see how it works, and then make corrections as necessary. But remember the sage advice, when in doubt, leave it out!
能够很好地融入社会，和大多数人交朋友，在必要的时候能够说不的维持一种不错的人际关系，这样确实不错。
It may be very well to socialize, make friends and maintain professional relationships with the knowledge to say NO when necessary.
斯泰西在团队中同样扮演着“财务管理”的角色，在必要的时候，她同样能够出色地担任好幕后工作。
Stacie also has the role of the group's 'banker', and is great at playing the inside when she needs to.
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