The exercise consists of stretching and contracting the leg muscles.
此项训练包括伸展和收缩腿部肌肉。
In this exercise, the muscles are elongating rather than contracting.
在这项运动中，肌肉是在延伸而不是在收缩。
He developed full-blown AIDS five years after contracting HIV.
他感染艾滋病病毒五年以后，患上了完全型艾滋病。
If the population of these other species were increased, the number of ticks acquiring the bacterium and hence the number of people contracting Lyme disease would likely decline.
如果这些其他物种的种群数量增加，蜱类捕获细菌的数量就会减少，因此感染莱姆病的人数就会减少。
Upon contracting government projects, the antecedent money for bidding may be reduced by up to 50%.
承揽政府工程时，押标金、得降低百分之五十以下。
Chapter 3 Scope of contracting.
第三章工程承包范围。
How do you manage agile contracting?
你们怎样管理敏捷合同？
Welcome to the wartime contracting bazaar in Afghanistan.
欢迎来到阿富汗的战时承包集市。
The drought cycle in east Africa has been contracting sharply.
东非的干旱周期缩短得非常显著。
Donor 45's antibodies didn't protect him from contracting HIV.
“第45号捐赠人”的抗体没有能保护他本人，使他免于得到HIV病毒。
Few managers like to absorb a contracting department's employees.
很少有经理愿意接受从缩减部门过来的员工。
The Convention has now entered into force and has 64 Contracting Parties.
该公约现已生效并已有64个缔约方。
With extraordinarily acute vision, "you'd see it expanding and contracting."
用异常敏锐的眼光观察，“你会看到它放大和收缩。”
Outside NASA and aerospace contracting circles, few people seemed to notice.
美国宇航局及航天承包圈子外，很少有人似乎注意到。
Contracting chronic fatigue in my early thirties was therefore a great gift.
因此，我三十出头的时候患上的紧缩性慢性疲劳是一个珍贵的礼物。
Both drugs have also been approved to reduce the risk of contracting the flu.
这两种药物也获批可以用来降低感染流感的风险。
One was the introduction of a special contracting system to recruit health workers.
其中一项措施是推出特殊承包机制来招募医疗工作者。
There is no danger of contracting the virus from eating pork products, she said.
同时她还说，吃猪肉是没有传播病毒的危险的。
The Space and Naval Warfare Systems Center Atlantic is the contracting activity.
合同在大西洋空间和海战系统中心签订。
Europe and US both grew in double digits despite both markets contracting overall.
欧洲和美国都是以双倍速度在增长，尽管这两地的市场并不景气。
But if we want to avoid contracting teams and abandoning markets, isn't it imperative?
但如果我们不想看到缩减球队和放弃市场，难道现在开始动手不是势在必行吗？
A supplier is chosen according to board contracting rules, and the contract is signed.
根据董事会签约规则，选定一家供应商，并签订合同。
And often the best way to do that is by contracting their brands so they stand for something.
而通常这样做的最佳的方式是收缩品牌范围并使之具有独到的意义。
That's when we get the first indication of whether the economy is expanding or contracting.
这次可以第一次指示出经济是在扩大还是在紧缩。
As the application heap requirements change, the GC can respond by expanding or contracting the heap.
随着应用程序程序堆需求的变化，GC可以通过扩大和收缩堆做出反应。
To make the shaft turn, the muscles work in concert, rhythmically contracting, one pair after another.
为了使传动轴转动，所有肌肉必须协调一致，一组接一组有节奏地收缩。
By blocking the release of a chemical messenger in the brain, the toxin stops muscles from contracting.
这种毒素阻止大脑释放一种化学信号，从而抑制肌肉收缩。
By blocking the release of a chemical messenger in the brain, the toxin stops muscles from contracting.
这种毒素阻止大脑释放一种化学信号，从而抑制肌肉收缩。
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