How quickly can you diagnose problems when they occur?
当出现问题的时候，您要花多长时间才能够诊断出这些问题？
Such events, when they occur , fascinate the public.
一些活动一旦出现就会使公众为之着迷。
When they occur, it undermines the integrity of elections.
一旦出现，就会逐渐削弱选举的公正性。
In this system, the client requests that notifications be sent when they occur.
在此系统中，客户端请求在事件发生时发送通知。
Opportunity seldom appear out of thin air, so when they occur, you must seize.
机会很少凭空出现，因此当它们出现时，你一定要抓住。
Most special characters lose their meaning when they occur inside a bracket expression.
大多数特殊字符在中括号表达式内出现时都会失去它们的意义。
They follow the cursor's movement, and do not disappear when keyboard events occur.
它们会随鼠标移动，当键盘事件发生时不消失。
They occur when there is a breakdown in the integrity of the corneal epithelium.
该情况发生于角膜上皮的完整性受到破坏时。
The same type of fighting may occur with the bulls when they are shipped.
在牛的运输过程中也会发生同样的打架。
Severe symptoms occur to them when they find themselves close to any electromagnetic field.
当他们接近电子产品产生的磁场时一些严重的过敏反应就会产生。
They note improvements for indicating where a big quake approximately will occur, but not when.
他们表示，在预测大地震有可能发生的位置方面有了一些进步，但他们仍然不能预测地震发生的时间。
And they always seem to occur when we least expect them.
而它们总是发生在我们最不希望的时候。
When disasters occur can matter as much to the economy as how bad they are.
大灾难何时发生，与其自身的严重程度一样对经济有同等的影响力。
Observe and recognize changes in your child's behavior when and if they occur.
当您的孩子行为出现变化时，注意观察和识别。
What are the future schedule problems and when will they occur?
进度安排下一步还存在什么问题？它们将在什么情况下发生？
But if it remains unchecked, when they reach the marriage age, problems will occur.
但是如果不采取措施，到适婚年龄时，问题就会出现。
Miracles are natural. When they do NOT occur something has gone wrong.
奇迹是自然而成的。当没有奇迹发生的时候，肯定是什么地方出了问题。
Problems can occur, however, when employees fail to notify anyone when they use such services.
可能发生的问题，然而，当员工不能通知任何人当他们使用这些服务。
Therefore, timely to diagnose when the faults occur and why they occur is very important.
因此及时诊断出供电系统的故障发生时刻并分析出其故障原因其极重要。
Therefore, timely to diagnose when the faults occur and why they occur is very important.
因此及时诊断出供电系统的故障发生时刻并分析出其故障原因其极重要。
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