It also gives advice on how and when doctors should raise the issue of organ donation.
它对医生何时和怎样对病人提出器官捐赠的问题也给予了指导。
It will never be known how and when this numeration ability developed, but it is certain that numeration was well developed by the time humans had formed even semi-permanent settlements.
我们永远也不会知道这种计算能力是何时、如何发展起来的，但可以肯定的是，在人类形成半永久定居点的时候，这种计数法已经发展得很好了。
Parents must let children know how and when they'll be watching them.
父母必须让孩子们知道他们将在什么时候以何种方式监视他们。
But how and when did it happen?
但这是什么时候怎样发生的呢？
WPARs: How and when to use them
WPAR：使用方式及使用场合
How and when might Colonel Qaddafi be toppled?
怎样扳倒卡扎菲？何时扳倒卡扎菲？
So how and when should a salesperson ask for a raise?
所以一名销售人员应该在什么时候以什么样的方式来要求加薪呢？
Determine how and when the environment parameter can be retrieved.
决定环境参数如何以及何时可以被检索。
Understanding how and when puts you one step ahead of the pack.
理解影响的方式和时机使你领先别人一步。
Scientists were also trying to establish how and when they were killed.
科学家也在努力查找他们是怎样被杀，何时被杀的。
Accurate test results further depend on how and when samples were taken.
准确的检测结果还取决于如何以及何时采集标本。
You will also learn how and when to use the filemon and fileplace tools.
还将学习如何以及何时使用filemon和fileplace工具。
He is well versed in different methodologies and knows how and when to apply them.
他精通不同的方法学，并且知道怎样以及何时需要使用它们。
You can set a daily budget and control how and when to spend money for each AD.
你可以设定一个每日预算来控制如何和什么时候为每个广告付钱。
At the same time, it discussed best practices on how and when to upgrade environments.
同时，还讨论了何时以及如何升级环境的最佳实践。
Working with this notion, we have made some Suggestions on how and when to count transactions.
与这个概念结合，我们需要对怎样以及什么时候计算业务作出一些建议。
Communities will decide how and when their members will be offered HIV testing and counselling.
社区将决定如何及何时向其成员提供艾滋病毒检测和咨询。
You have now learned the definition of a functional index and have seen how and when to use them.
您已经了解了函数索引的定义以及其使用方式和使用时机。
In fact, a child who asks a parent this question may be worrying over how and when to bring it up.
事实上，一个孩子问他的父母这个问题，可能是担心这个问题是怎么形成的以及什么时候会被提出来。
The mythological story of Psyche can provide some guidance in thinking through how and when to delegate.
关于Psyche（赛琪）的神话故事可以在思考如何、何时授权提供一些指导。
You might think that the programmer would be keenly aware of exactly how and when a variable changes state.
您可能会认为，程序能敏锐地确切知道变量何时如何改变状态。
It's always a good idea to have a general talk with your boss about how and when raises are handed out.
一个永远的好方法就是与你的上司心平气和的谈谈什么时候会加薪，怎么加薪。
Every oil well deserves to choose how and when it wishes to produce oil, and for whose economic benefit.
每一口油井都有权按照自己的意愿，选择何时，以何种方式，为哪些经济集团生产石油。
I'm not a control freak, but I like being the one to determine how and when I move on to another product.
我不是一个控制狂，但我喜欢自己做主决定如何以及何时转向另一个产品。
I'm not a control freak, but I like being the one to determine how and when I move on to another product.
我不是一个控制狂，但我喜欢自己做主决定如何以及何时转向另一个产品。
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