仅当需要的时候才刷新数据。
透明性，像阳光，当需要的时候可以被仔细的看到。
Transparency, like sunlight, needs to be looked at carefully.
即使他愤怒地反驳，但当需要的时候，他也会毫不迟疑地道歉。
And even if he retorts angrily, he is not hesitant when it comes to apologizing.
当需要的时候，使用注释来解释特定代码的功能，注释必须保持最新或删除。
When they are needed, use comments to explain why a particular piece of code does something. Comments must be kept up-to-date or deleted.
OLTP系统存仅当需要的时候才存储历史数据来成功的实现当前事务的需求。
The OLTP system stores only historical data as needed to successfully meet the requirements of the current transaction.
当需要的时候使用流程模型中的注释，开发人员对必要的规则及规则服务实现进行编码。
Using the annotations in the process model as requirements, the developer codes the necessary rules and rules service implementation.
尽管这比赛有时候看起来不是那么有观赏性，而湖人的投篮当需要的时候，却总是会下跌。
Although it wasn't the most artistic game at times, the Lakers got the shots to fall when they needed them most.
在逆境中不同的困难激发不同的潜能力，当需要的时候，相应的潜能力在与困难的抗争中被唤醒。
Having your hidden talent arise when difficulties appear gives a different perspective to the adversity. The struggle awakens a talent that hadn't previously needed to be activated.
当需要的时候，我可以是个非常专注关怀的辅导老师；这个部分，在我中文专辑当中表达得相当彻底。
I am an attentive counselor when I need to be, and this part of me is adequately represented by my Chinese releases.
这样，当需要的时候，程序能提供灵活性和细节，但又不妨碍那些只想得到一个快速热平衡设计的用户。
Thus the flexibility and detail are there when needed, but do not intrude upon the user who just wants a quick heat balance design.
结果造就了不同于其他对象模型的AXIOM(也称为OM)，因为它突出了构造的轻型，并且仅当需要的时候才建立。
Toward this end, AXIOM (also referred to as om) differs from other object models because it strives to be lightweight in construction and it does not try to build things unless required to do so.
艾哈迈迪遭暗杀之后印尼人不仅指出当需要的时候必须无州化- - -警察保护艾哈迈迪的权利抑郁地失败了，更不用提他的命了。
In the wake of the Ahmadi killings, some Indonesians point not just to the absence of the state when it is needed-the police failed dismally to protect the rights, let alone lives, of the Ahmadis.
正如你所见，状态设计模式为状态驱动的智能体提供了具有非常好的伸缩性的机制，当需要的时候，你可以极其容易地增加新的状态。
You have seen how the use of the state design pattern provides a very flexible mechanism for state-driven agents. It's extremely easy to add additional states as and when required.
“说实在的，”她说道，“我希望，发生了这件令人伤心的事情，对我们大家来说将是个警告：我们必须习惯于振作起精神，而且当需要的时候，我们就必须及时作出努力。”
I am sure, 'she said,' I hope this heart-rending occurrence will be a warning to all of us, to accustom ourselves to rouse ourselves, and to make efforts in time where they're required of us.
当一个人明显需要帮助的时候，把他关进监狱又有什么用呢？
What good does it do to put the man into jail when he's obviously in such need?
我们仍然需要人与人之间的接触和互动，尤其是当人们情绪低落的时候。
We do still need the human touch or the human interaction, particularly when people are depressed.
当水位高的时候，使用者只需要往下走几个台阶就能到达井的部位；当水位低的时候，就要走好几层了。
When the water level was high, the user needed only to descend a few steps to reach it; when it was low, several levels would have to be negotiated.
这些海狸知道如何建造水坝，而且在有需要的时候就会这么做，比如当它们在砍伐和消耗了附近所有的树木后被迫迁移的时候。
These beavers do know how to build dams, and do so if the need arises, as may occur if they are forced to relocate after felling and consuming all nearby trees.
当需要向前迈进的时候，他们会采取行动，并立即放弃那些有助于实现目标的事物。
When it's time to make the leap, they take action and immediately drop what's no longer serving their purpose.
当所有的坚果都被拿走了的时候，观察员需要发出信号。
The person watching is asked to signal when all the nuts have been removed.
你越是控制自己不对别人指手画脚，当他们需要指导的时候，你的孩子反而会主动向你讨教，并且采取你的建议。
The more you refrain from giving unsolicited advice, the more likely it will be that your children will ask you for advice when they need it and will follow that advice if it is reasonable.
当需要信任库的时候，按照下面的顺序进行搜索直至找到与之匹配的为止
When a truststore is needed, it is searched for in the following order until a match is found
同样地，要是朋友叫你别管，那就别管；当他们需要你的时候，你就出现。
And likewise, leave it alone if your friend asks you to; but be there when they need you.
联系那些在你的社交网络中与你有共同兴趣的人；给他们所需要的信息和资源；让他们知道当他们需要帮助的时候你随时可以帮助他们。
Connect people in your social network who have common interests; give them access to information and resources that they need; and let them know that you're available if they need help.
一半的被试随机分配到常规治疗中，这表示当他们感到需要的时候，他们能够使用精神卫生服务。
Half of the subjects were randomly assigned to usual care, whichmeant that they could access mental health services as theyfelt they needed them.
即使您的应用程序代码不需要改变，当所有的因素都需要考虑的时候，移植仍然需要花费一段时间和努力。
Even if no change is required to your application code, migration will still take some level of time and effort when all factors are considered.
他们有了这个小机构称为伪造货币机器，当他们需要钱的时候，只需要印钱就可以了。
They have this little thing called the counterfeit machine and they just print the money when they need it.
帕默向基思保证，尽管他在过去不曾一直是个好父亲，但他会在将来的时间里当他需要的时候陪伴在他身边。
Palmer promises Keith that, although he hasn’t been a good father in the past, he will be there for him in the future.
一个是不可变的，当需要修改的时候它会创建一个新的副本，而另一个则允许直接在其上进行修改。
StringBuilder; one is immutable and changes to it cause the creation of a new copy, the other allows for in-place modification.
一个是不可变的，当需要修改的时候它会创建一个新的副本，而另一个则允许直接在其上进行修改。
StringBuilder; one is immutable and changes to it cause the creation of a new copy, the other allows for in-place modification.
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