真空衰变的基本条件是存在强电场。
The essential condition for the decay of the vacuum is the presence of an intense electric field.
在哈佛的一项近期实验中,一个电场把火焰从燃烧器上推开。
An electric field pushes a flame away from a burner in a recent Harvard experiment.
1832年,也就是迈克尔·法拉第发现磁场变化会产生电场的那一年,一位年轻的法国工程师为一种新的、效率更高的水车申请了专利。
In 1832, the year of Michael Faraday's discovery that a changing magnetic field produces an electric field, a young French engineer patented a new and more efficient waterwheel.
风力涡轮机组被称为风力发电场。
风力发电场为附近的家庭、学校和其他建筑供电。
Wind farms create power for nearby homes, schools and other buildings.
在两者进行选择时,应该在Y县而不是 X县建立风电场。
A wind farm proposed for one of the two counties should be built in County Y rather than in County X.
风力发电场使用数千个风力涡轮机阵列发电,这需要大片开阔的土地。
Wind farms, which generate electricity using arrays of thousands of wind-powered turbines, require vast expanses of open land.
在这种背景下,政府发布了一份关于风力发电场对农村产生影响的官方报告。
Against this background, the government published an official report on wind farms' impact on the countryside.
大型风电场可以在6个月到1年的时间内建成,之后根据需要进行扩建也很容易。
Large wind farms can be built in six months to a year and then easily expanded as needed.
据记录,在美国的风力发电场中,目前猛禽和其他鸟类的死亡总数每年不超过300只。
Recorded deaths of birds of prey and other birds in wind farms in the United States currently amount to no more than 300 per year.
存在一些技术上的难题,但我相信在未来的5到10年里,我们将会建设商用的海洋涡轮发电场。
There are a few technical difficulties, but I believe in the next five to ten years we will be installing commercial marine turbine farms.
风力发电场的一些缺点包括视觉污染和噪音,尽管这些可以通过改进设计和将它们安置在偏远地区来克服。
Some drawbacks to wind farms include visual pollution and noise, although these can be overcome by improving their design and locating them in isolated areas.
从长远来看,在电力需求低于峰值的时期,偏远地区的大型风力发电场的电力可能会被用于电解水,以产生氢气。
In the long run, electricity from large wind farms in remote areas might be used to make hydrogen gas from water during periods when there is less than peak demand for electricity.
这些离子通过电场,将产生推力。
还有其他的例子,比如电场。
另一种制造雪晶的方法就是使用电场。
Another way of growing snowflakes is to use an electric field.
在重力场或者电场里面,就做不到了。
并且这个电场能被用来供能。
那个关于电场旋度的方程。
雷暴雨的顶部拥有电场。
我将要讲电场和磁场。
I want to tell you things about electric and magnetic fields.
要想固定dna,纳米孔就必须产生很强的电场。
The pore must produce a strong electric field to hold the DNA in place.
今天先讲讲电场。
敦煌附近正在建设最大风电场中的一座。
这类物质可将电场和机械压力相互转换。
These are materials which can translate electrical fields into mechanical stress, or vice versa.
许多搜鬼者声称他们可以检测出幽灵所造成的电场。
Many ghost hunters say they can detect the electric fields created by ghosts.
这是这个10吉瓦风电项目的首个风电场。
This is the first wind farm in the 10 gigawatt mega-project.
这是电场。
这是电场。
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