They store the energy mechanically by rotating mass around an axis.
它们通过质量绕轴旋转机械存储能量。
These changes are caused by anything that moves mass around on the Earth.
地球上物质体的任何移动都会引起这些变化。
There is obvious abnormal temperature feature in the intact rock mass around the water-hearing structure before mining.
通过试验得出：煤层开采前，初始地温场中含水构造处具有明显的低温异常特征；
Rockbursts in coal mines are dynamic failure in the rock mass around a mine opening or excavation. Its mechanism is very complex.
冲击地压是矿山工程中一种特殊的围岩破坏现象，发生机理十分复杂。
The prerequisite of rock burst occurrence is that the elastic energy in coal and rock mass around coal mine roadway and stope has accumulated enough.
冲击地压发生的前提是矿山井巷和采场周围的煤岩体中储存了足够的弹性能。
The analytical method provides theoretical basis for studying rules of layered failure of rock mass around deep-buried tunnel under different conditions.
该解析方法可为研究不同条件下深部洞室围岩破坏规律奠定理论基础。
The amount of angular momentum, say, a spinning skater has depends on both the speed of rotation, and the weight and distribution of mass around the center.
角动量的大小，取决于旋转中的滑冰选手的旋转速度、体重和绕旋转中心的质量分布。
Data has since revealed that all mass strandings around Australia occur on gently sloping sandy beaches, some with inclines of less than 0.5%.
此后的数据显示，澳大利亚周围所有的大规模搁浅都发生在平缓倾斜的沙质海滩上，有些海滩的倾斜度小于0.5%。
The first is a pair of planets, each about the mass of Jupiter, that whirl around their home star 15 light years from Earth in perfect lockstep.
第一个是一对质量与木星差不多的行星，这对行星步调一致地围绕距离地球15光年的母恒星旋转。
Because of its huge mass, the cluster acts as a cosmic magnifying glass, causing light to bend around it.
由于其巨大的质量，这个星系团相当于一个宇宙放大镜，使光线在它的四周弯曲。
"I went on a cycling trip around Copenhagen with a friend visiting from London recently, and she was terrified by the mass of cyclists and the aggressive way they behaved," said Hadju.
“最近，我和一个从伦敦来拜访我的朋友进行了一个环哥本哈根的自行车旅行，她被大量的骑自行车的人和他们攻击性的行为吓到了，”豪伊杜说道。
But it has a mass about 20 times that of our sun and is surrounded by a disk of material similar to what is found around smaller, growing stars.
但是它的规模大约是我们的太阳的20倍，而且环绕着一个碟状尘埃，尘埃的材料与成长中的小星体周围的碟状尘埃相似。
Individual fingers are replaced by a single mass of granular material that, when pressed onto a target object, flows around it and conforms to its shape.
用大量微小的颗粒状材料取代了手指，当它要抓住一个东西的时候，颗粒材料就被吹起来以符合物件的形状。
Based on around 20 years of historic data, the study says that by 2030 as many as 48% of British men could be obese - having a body mass index of more than 30 - as against 26% now.
基于大约20年的历史数据，研究表明，到2030年将有多达48%的英国男性会肥胖——身体质量指数超过30——相对于现在的26%来说。
Sina Weibo experienced its first mass virus attack at around 8pm this evening.
新浪微博于今晚8点钟遭受了第一次大规模的病毒袭击。
Even in cultures without access to mass media, the optimum waist-to-hip ratio for women is around 0.7, which corresponds most closely to an hourglass shape, and is linked to fertility.
即使在和大众传媒没有交集的文化中，女性腰围与臀围的最佳比例也是在0.7左右，近似于沙漏形状，并与生育有关。
The earthquake also shifted the so-called figure axis of the earth, which is the axis that the earth's mass is balanced around.
地震也改变了地球的几何中轴线，中轴的周围地球的重量是平衡的。
Michael Narwani, a tailor and the owner of Custom Clothiers in Wellesley, Mass., says his bespoke suits vary from around $700 up to many thousands, but '$1, 000 would buy you an excellent suit.'
马萨诸塞州服装公司CustomClothiers的老板、同时也是裁缝的纳尔瓦尼(Michael Narwani)表示，他的定制西装价格从700美元左右至几千美元不等，但1000美元可以买到一套很好的西装了。
Indeed, local politicians appear to be just coming around to E-mail as a means of mass communication.
地方的政客仅是把电邮作为大众传播工具。
Never a mass organisation, its membership now languishes at around 300,000, from a high of around 600,000, the association claims, just after the second world war.
没有一个民众组织，会从拥有高达60万成员(据协会宣称是在二战刚结束时)衰减到目前只有30万左右。
Dr Angel estimates that the total mass of the sunshade required would be around 20m tonnes.
安吉尔博士估计这个巨大的遮阳天棚的总重量大约会在20,000,000公吨。
Has a mass about 20 times that of our sun and is surrounded by a disk of material similar to what is found around smaller, growing stars.
但是它的规模大约是我们的太阳的20倍，而且环绕着一个碟状尘埃，尘埃的材料与成长中的小星体周围的碟状尘埃相似。
Mr Santoni reckons McLaren could make around 5, 000 cars a year this way—a number that, for supercars, almost constitutes mass production.
Santoni先生计算迈凯轮一年可以造大约5000辆车。
The sphere, for instance, represents how space is bent around a star or other mass - light passing through this warped space bends in an effect called gravitational lensing.
作为例子，这个球面代表了恒星或其他质量附近的空间是怎样弯曲的-光通过这个扭曲空间所引起的弯曲称为引力透镜效应。
Electric cars have been around for decades, but never in enough Numbers that they would affect the grid, or require mass rollouts of charging equipment.
电动汽车已经出现十几年了，但是从没有达到一定的数量以致能影响供电网络或者需要大量新的充电设备。
New businesses grew up around these mass-media technologies.
围绕着这些大众传媒技术，新业务增多了。
Most of the stars in the cluster were born around the same time but differ in size, mass, temperature, and color.
族群里的大多数星星都是同时诞生的，但在大小、质量、温度及色彩方面有所不同。
Most of the stars in the cluster were born around the same time but differ in size, mass, temperature, and color.
族群里的大多数星星都是同时诞生的，但在大小、质量、温度及色彩方面有所不同。
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