It helps to expose errors that only emerge when several units are put together.
它有助于暴露那些只有在多个单元放在一起才会呈现的错误。
This is especially true in situations of uncertainty or when several choices are available.
在存在不确定性的情况下或者有多个选择时尤其如此。
A World Bank study has shown that wider benefits result when several rural infrastructure services become available to rural populations.
世行开展的一项研究表明，如果同时向农村人口提供几项基础设施服务，所产生的效益会更大。
However, when several virtual machines run on the same server and start competing for hardware and network resources, the overhead is substantially higher.
然而，当多个虚拟机运行在同样的服务器上，并且开始竞争硬件和网络资源时，系统开销就会大大增加。
The effort got a boost in 2010, when several donors established the Bangladesh climate change Resilience Fund to implement a national climate change strategy.
这项工作的力度于2010年得以加大，当时几个捐赠方组建了孟加拉国气候变化适应基金，旨在实施国家气候变化战略。
At a long banquet table, it's OK to start when several people are seated and served.
如果是长餐桌，那么只要有几个人入座进食了，你也就可以开始吃了。
I was very contented to live there until one day when several of my friends came to have a party at my place.
我心满意足地住在那儿，直到一天我的几个朋友到我公寓聚会。
There is a particular need to talk aircraft down when visibility is poor or when several pilots are waiting to land.
在能见度差或者几个驾驶员同时等待降落时，特别需要用电讯通话协助飞机降落。
Such problem often arises in safety analysis of clinical trial when several correlated adverse events are examined simultaneously.
这种问题在临床试验的安全性分析中，对具有相关性的不良反应在进行同时检验时经常遇到。
With the technique of AGC (Auto Gain Control), the system solves the question about overflow when several persons are speaking at the same time.
应用AGC(自动增益控制)技术解决话音叠加的溢出问题。
Story starts when several strangers come to your village looking for something. It is implied it may have something to do with the defeated king of Shadows.
故事开始的时候，镇子里出现了一些陌生人正在企图寻找什么，他们的到来似乎与被打败的阴影王有着某种联系。
By the simulation of an electrical servo system, it is shown that the method can detect and diagnose faults rapidly when several faults occur simultaneously.
通过在一套电气伺服系统中的仿真表明，该方法在多个故障同时发生时，可迅速实现故障检测与诊断。
I was forcibly reminded of this fact over the holidays when several family members and neighbors press-ganged me into troubleshooting their Windows computers.
假期里，当家人和邻居像抓壮丁一样叫我去解决他们Windows电脑的故障时，我深刻的认识到这个事实。
Like the counting function, when several aggregations with grouping keys are used in a rule, the group and count operations must be cascaded as shown in figure 14.
与计数函数类似，当在一个规则中使用多个具有分组关键字的聚合，对分组与计数操作必须进行级联，如图14所示。
Naturally best quality assurance results are achieved when several different approaches for test automation are employed, including GUI automated testing and unit testing.
必须通过多种自动化测试手段才能得到最高质量的保证，自动化gui测试和单元测试都包括在内。
It is normally difficult to narrow down the factors causing such risk to materialize, and quite often, it only emerges when several factors come into play simultaneously.
操作风险通常很难找出特定的风险显现的原因，而且多个原因共同作用风险才体现出来的情况也不在少数。
A second reason why crime is underreported is that when several crimes are committed by an offender at the same time, only one (usually the most severe) is counted in the data.
第二个原因是，当同一个罪犯同时做了几项违法行为时，只有一项（通常是最严重的那个）被统计进去。
A kind of power balance electric regulator which is used to balance output power between generators when several wind driven generators are shuntly fed to a battery set is introduced.
介绍一种在风力发电机并联向蓄电池供电系统中，用于平衡各发电机输出功率的电子调节装置。
In fact, when several dozen elementary - and middle-school kids from the Detroit area used this exercise for 15 minutes a day, many showed significant gains on a widely used intelligence test.
实际上，当来自底特律地区的几十名中小学孩童在每天采用这套训练方法15分钟之后，很多人都在一项应用广泛的智力测验中表现出了明显的进步。
It gets to be cumbersome to try to scroll back to find out what a person said, especially when several people are on online almost at the same time, each one competing for time to write a message.
如果试图回滚以查找某个人的消息的内容，这种方式就会显得十分笨拙，特别是当几个人几乎同时在线，并且每个人都在抢时间编写消息的时候，这个问题就更为突出。
The variable ranges of the model parameters for which the optimal solution or optimal basis remain optimal are determined. The case when several parameters changing simultaneously is discussed.
求出使最优解或最优基保持最优的模型参数可变范围，并讨论了多个参数同时发生变化的情况。
That changed abruptly 16 during the third quarter, when several of the world's biggest copper miners including BHP Billiton and Freeport reported weak results and cut production guidance for 2017.
但在第三季度情况突然发生变化，当时包括必和必拓（BHPBilliton）和自由港在内的多个全球最大的铜矿发布了疲弱的业绩报告，并削减了2017年的产量指引。
When several stitches fray, the fabric tears.
几个针脚破了，布料就会容易被撕开。
When several proximity terms are chained, all proximity terms must be near each other.
如果将几个邻近字词链接起来，则所有邻近字词一定彼此邻近。
When several compounds are formed, there is the possibility of more than one peritectic point .
当生成数种化合物时，就可能有一个以上的转熔点。
When several external forces act on a body, we may wish to consider the works of the separate forces.
当几个外力作用于一个物体时，我们可能希望考查各个力所作的功。
When several adjectives modify the same noun, there is a particular order they must follow in English.
当几个形容词修饰同一个名词时，它们就必须遵循英语中的一个特定顺序。
When several spells can cure the same affliction types, those with a higher priority will be preferred.
当有多个法术可以治疗相同类型的伤害，将选择优先级高的。
When several RRs of the same type are available for a particular owner name, the resolver should either cache them all or none at all.
当一些同类型的资源记录对一个特殊的名字可用时，解析器应该将他们全部缓存或者全部不存。
When several individuals of the same species or of several different species depend on the same limited resource, a situation may arise that is referred to as competition.
当同一物种或不同物种中的几个个体依赖于同一有限的资源时，就会出现所谓的竞争的情况。
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