Blood is only expelled from the heart when it contracts.
心脏收缩时，血液才从心脏射出。
As it gets colder, it contracts.
当温度降下来时它就收缩。
As it contracts, it pulls on these tissues.
睫状肌一收缩，就拉动这些组织。
When it contracts the core will get hotter, which will heat up the sun's upper layers and make them expand.
缩小地同时温度变得更得高，这样就加剧了太阳外层的燃烧并使其膨胀。
The eye muscle is the fastest reacting muscle of the whole body. It contracts in less than 1/100th of a second.
眼肌是整个身体肌肉中反应最快的肌肉，反应速度超过每秒100次。
When it contracts, the muscle pumps about 2 ounces (59 milliliters) of blood, and is constantly working over a lifetime.
当它收缩的时候，这些肌肉向外泵出大约2盎司(59毫升)的血液，而且在人的一生中它不断地工作。
It extends the "Explicit Contracts" basic capability with standardized uniform design policies for the contract artifacts.
它通过契约制品的标准化统一设计策略对“明确的契约”基本能力进行了扩展。
Reduction in contractility, the extent of ventricular contraction and hence the amount of blood pumped from the ventricle when it contracts.
收缩力减弱，心室收缩程度减低，心室收缩时的泵血量减少。
The cutback in financial services reflects the slowdown in the banking sector, although several large IT contracts have been signed since the start of the credit crunch.
金融服务业削减IT经费说明了银行业的萧条，尽管在信贷危机开始后签署了一些大型的IT合同。
玻璃遇冷收缩。
I thought it would be wise to take out forward exchange cover to protect our position on the outstanding contracts.
我觉得利用远期外汇补进来保护我们尚未结清的合同中的利益是明智之举。
As ciliary muscle contracts, it pulls on these tissues.
睫状肌一收缩，就拉动这些组织。
It covers contracts, torts and property, each of which can be subdivided into several subjects.
它涉及了合同，侵权和财产，每一部分又可以再细分为许多方面。
It may define contracts specific to the customer served by the store.
可以定义客户特定的合约，该客户是由存储服务的。
However, they constitute a sufficiently large proportion to make it worthwhile to negotiate contracts with corporate clients whose employees use its services frequently.
然而，这部分顾客构成的比例很大，公司值得为之与那些员工经常使用其服务的企业客户谈判合同。
The work awarded through this task order will consolidate approximately 15 maintenance contracts for IT activities at various naval facilities.
这份任务订单的工作将把大约15个关于多个海军基础设施的IT技术的维护合同合并在一起。
Given the interrelationship between organizations, stores, authorization, and contracts, it is recommended that you design these parts iteratively.
给出组织、商店、授权和契约之间的关系之后，建议您以迭代的方式设计这些部分。
This year it signed contracts in the US to sell electricity from its wind farm in Iowa to the Tennessee Valley Authority.
今年，他们已经在美国签署了合同，把他们在爱荷华的风力发电厂的电输送到田纳西流域管理局。
The Brazilian Association of Supermarkets said it would cancel supply contracts with accused farms.
巴西超市协会表示，它将取消被告牧场的供货合同。
This is absolutely not recommended, as it leads to vague contracts that don’t express semantics very well, countering service discoverability.
我们绝对不推荐这种做法，因为它会产生不能很好表达语义的模糊契约，有损于服务的可发现性。
The company also benefitted from several derivatives contracts it entered into in recent years.
该公司还受益于它近年来签订的几份衍生品合同。
EADS has made only minor acquisitions; instead, it focused on winning major contracts.
EADS只有些小规模的收购，他们将重点放在了赢得大合同上。
EADS has made only minor acquisitions; instead, it focused on winning major contracts.
EADS只有些小规模的收购，他们将重点放在了赢得大合同上。
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