这个发动机转速高时噪音非常大。
花粉计数高时，尽量避免去乡村旅行。
飞机攀升到370英尺高时开始偏航。
一旦海豚发现了按这个新踏板的结果，当测试难度非常高时，它就会很频繁地按这个踏板。
Once the dolphin figured out the result of pressing this new paddle, it did choose it frequently when the trial was difficult.
但是，当二氧化碳含量高时，叶孔收缩。
But when carbon dioxide levels are high, the leaf pores shrink.
在钙离子浓度高时，他们融合而不解体。
等幼苗长到两三厘米高时就可以移栽到菜园里了。
You can transplant the seedlings into the garden when they are about two to three centimeters tall.
随着建筑物的升高，升降机需要接高时，按此规定架设。
With the building's ascending, erect when the lift need to join height.
由于金属是可熔的，所以当温度相当高时，它就会熔为液体。
Since metal is fusible, it will change into liquid when the temperature is high enough.
在风险投资回报率高时，冒更大风险让他可以获得最大化的利益。
The increase in risk taking allows him to make maximum gains at a time when risk taking is most likely to pay off.
做膝盖高时你应该保持相同的运行速度，或者如果可能的话加快你的速度。
While doing high knees you should keep the same running pace or, if possible, increase your speed.
例如，当煤价最近冲高时，那些国家能源巨头却不允许把这种上涨传导给消费者。
For example, when coal prices shot up recently, the country's energy giants were not allowed to pass the hikes on to consumers.
当辣椒植株(俗称辣椒树)长大30厘米高时，手工摘除顶芽，这样有利于新枝生长。
When the chili peppers are thirty centimeters high, pinch the tops off with your fingers. That should get new branches to grow.
所以，当验证设计的解决方案要求变高时，市场调查就充满了缺陷，设计师该怎么办呢？
So when the demand for validating design solutions is so strong, yet research is seemingly so fraught with pitfalls, what is a designer to do?
投资者还面临陷入“空头轧平”的额外风险，当股票被推高时，卖空卖家必须坚持立场。
Investors face the additional risk of being caught in a "short squeeze", when the price of a stock is pushed up and short-sellers have to cover their positions.
当访问率非常高时，您可能想要使用多个分发器对象，让它们分别负责响应一定范围的值。
At very high volumes, you might like to make things more scalable by having multiple dispenser objects with each one responsible for some range of values.
然而铁对所有动物（实际上是对大多数的生命）都是必需的，在铁的剂量高时，它可能是有毒。
While iron is necessary for all animals (and indeed most life), in high doses it can be toxic.
从理论上讲，在容量高时，松散耦合WebServices将等待消息队列服务器的响应。
Theoretically, when volumes are high, loosely coupled Web services wait for a response from a message queuing server.
我感觉海豚在白沫中跳跃，尝试着飞翔，而当浪潮翻涌至天堂一般高时，牠们几乎真的飞了起来。
I feel the dolphins leaping in the white foam, trying to fly, and almost flying when the waves curl high to the heavens.
另外，使用更多的基础设施意味着在通信量低时可能供应过度，而在通信量非常高时仍然可能会遇到瓶颈。
In addition, building out more infrastructures means that you may over provisioned when the traffic is low, and when the traffic is really high, you may still run into bottleneck.
发表在《新英格兰医学杂志》上的一项研究发现，男性的血液中的维生素a含量高时，发生骨折的风险就更高。
A study in the New England Journal of Medicine found that the men with the highest amounts of vitamin a in their blood had the greatest risk of breaking a bone.
使用SetAutoPageBreaks方法，可在从底部算起有36点高时告知TCPDF自动创建新页面。
Using the SetAutoPageBreaks method, tell TCPDF to automatically create a new page when you're 36 points from the bottom of the page.
可是后来许多在“使用时间”费率计划上住宅用户发现自己实际支付的电费竟比一般用户高时，大家的情绪迅速变坏。
But the mood quickly soured when it turned out that many households on the "time of use" rate plan actually paid more than ordinary ones.
GABA含量高时，神经元无法形成新的连结，同时大脑的学习能力也会降低；而含量低时，神经细胞可自由形成新的连结。
High levels of GABA can prevent neurons forming new connections - and slow down the brain's ability to learn - while low levels free nerve cells to create new brain circuitry.
最近一份分析显示，当美国市盈率处于低位时，未来10年股票的平均收益率超过8%；当市盈率高时，收益率平均为3%。
A recent analysis shows that, when American price-earnings ratios are low, returns on equities over the next decade average 8%; when they are high, returns average 3%.
通常这种热-电转化方式是利用热电偶实现的。 热电偶由两层不同的金属构成，其中一层比另一层温度高时就在两层金属间产生电流。
The usual way to do this is with a thermocouple—a sandwich of two metals that produce a current when one side of the sandwich is hotter than the other.
当高先生在国外时他将代行其职。
当高先生在国外时他将代行其职。
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