Researchers have found an "anxiety gene" which when switched on not only causes stress but increases our craving for sweets and comfort food.
科学家们业已发现“焦虑基因”，它一旦发作，不仅会令我们备受压力煎熬，而且还使得我们更加想吃糖果或安慰食品【1】。
The design incorporates a channel thin enough to become entirely devoid of carriers (ie, free electrons or holes) when switched off, thus acting as a valve, yet full of them when switched on.
这一设计包含了一条足够细的隧道，当它关闭时，里面完全没有载流子(电子或空穴)，当它打开时，里面便充满了载流子，起到了阀门的作用。
When the device is switched on the nanotubes carry an electric current with a power of about 300 microwatts.
当我们打开装置的开关后，这些碳纳米管就带有约为300微瓦能量的电流。
If you switch to the Planning perspective when no task is active, you're automatically switched into that perspective when you deactivate the next task that you work on.
如果在没有活动任务时切换到Planning透视图，那么当停止要处理的下一个任务时，就会自动切换到那个透视图。
In Chlamydomonas, the gene only gets switched on when environmental conditions are poor-for instance, when sunlight or nutrients are scarce.
衣藻只有在环境十分恶劣的时候才会激活这种基因——比如说在阳光和营养物都不足的时候。
The results are based on analysis of data collected during the last two weeks of the 2010 LHC run, when the atom smasher switched from colliding hydrogen protons to lead-ions.
这项成果是基于，在大型强子对撞机在2010年最后两周的运行期间，对其收集的数据进行的分析，当时这台原子对撞机改换成氢质子对铅离子的碰撞。
Coal, the cheapest fuel, currently produces America's baseload power: coal-fired plants run constantly to meet basic demand, with natural gas switched on when demand is higher.
作为价格最为低廉的燃料，煤是产出美国基载电力的主力。煤燃料发电厂不断满足基本需求，当需求更大时将启用天然气燃料。
The increase was the largest since July 2005, when the bureau switched to an index based on data in 70 cities, rather than 35.
这一涨幅是自2005年7月以来最大的，当时国家统计局将房价指数的依据从35个城市的数据调整为70个城市。
When a trusted connection user is switched, it resets all the connection attributes, including cursor with hold, isolation, bind options, codepage, and so on.
切换可信连接用户时，它重置所有连接属性，包括保留指针、隔离、绑定选项、代码页面等等。
But he instinctively switched on his big smile when another customer walked in.
但是当下一位客人走进来时他仍然下意识的露出热情的笑脸。
In 1967, when Sweden switched from driving on the left to driving on the right, many people predicted that accidents would increase.
1967年，瑞典从左向驾驶改为右向驾驶，许多人预计交通事故会增加。
This hasn't been a problem since we switched to cloth diapers, but when we used disposables, I went through a lot of stain Stick stain remover trying to treat diaper leak stains on baby clothes.
当使用一次性尿布时没有这个问题，问题在于如果你使用的是布尿布。我曾经找了很多去污剂想要去除婴孩衣服上从尿布漏出的污物。
When I got to my room, I switched on the light, took off my jacket, and drank some water straight from the tap.
进了房间，我打开灯，脱下夹克衫，对着水龙头直接喝了一些水。
The seals could have swum close to such a propeller, and met a gruesome end when it was suddenly switched on.
海豹们可能会游到螺旋桨旁边，此时螺旋桨突然启动，悲剧就发生了。
When the active cruise control system is switched on, Toyota's Lane Keep Assist system engages to help prevent the car from drifting out of its lane.
当自动巡航系统开启时，车道保持辅助系统能帮助防止驾驶员将车开出道路。
This deformation happens when the vacuum pump is switched on and off.
这种变形在真空泵启停时发生。
When the holograms switched clothes, bursting into puffs of mist or flurries of snow, the audience gasped, as they did when actual snow fell on their finery.
当全息影片呈现出服装的瞬间变化，模特们瞬间变成了烟雾状，或是骤雪突降，而当真正的雪下到模特们的华服上时，观众们都倒吸了一口冷气。
Guest sensors have been fitted in Hotel 1000 in Seattle that monitor when a guest enters and leaves so that lights and other technology in the room can be switched on and off accordingly.
“客人传感器”：西雅图的Hotel 1000酒店装有“客人传感器”。利用这个装置，可以在客人进入和离开房间时，控制室内的照明设备和其他电器。
When the magnet was placed on the left side of the brain region, the volunteers used their left hand more frequently than when the magnet was switched off.
当磁铁被放置在左脑区域，受试者使用左手更加频繁。
One Saturday I sat alone on the floor in our tiny apartment, piecing a quilt, when the CD changer switched to a Mos Def album that Adam had been listening to a few days before.
在某一个周六，我一个人坐在我俩那小小的公寓地板上缝着棉被。这时，CD播放器自动转接到了亚当早些日子听过的MosDef的专辑。
Until April this year, when it switched to a multi-tiered pricing system, every song available on iTunes cost a uniform 99 cents in America, 79 pence in Britain and so forth.
直到这几年Apple公司才将收费策略转向多重价格策略，在美国每首在iTunes上的歌统一价格为99美分，而在英国是79美分。
In the latest study, the scientists used a genetic trick to make zebrafish turn green when the p53 gene was switched on to explore the way it was regulated.
在最近的研究中，科学家利用一种基因技巧使在p 53基因打开的时候，让斑马鱼变成绿色，来探索这种基因的调节方式。
Page loads went from essentially unnoticeable to several seconds when I switched over to this XPath expression, even on an unloaded local server.
当改为XPath表达式之后页面加载延迟从难以觉察变成了几秒钟，即使是在负荷不高的本地服务器上。
When the voltage is switched off, the WFC acting as a water capacitor, discharges on itself.
当电压关闭时，在世界粮食理事会作为水电容，排放污水的问题本身。
When genes are switched on to produce proteins, they can do so at a low level in a limited area or they can crank out lots of protein in many cells.
当基因开始生产出蛋白质时，它们既可以在小范围内在低层次上进行，也可以生产出很多细胞的很多蛋白质。
Never leave your cell phone switched on when you are watching a movie at the multiplex.
当你在影城看电影的时候可一定不要开着你的手机。
When they switched on their phone, their blood pressure shot up by 5-10 millimeters of mercury.
当他们打开手机时，他们血压瞬时升高5 - 10毫米水银柱。
When they switched on their phone, their blood pressure shot up by 5-10 millimeters of mercury.
当他们打开手机时，他们血压瞬时升高5 - 10毫米水银柱。
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