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rest photon mass 光子静质量
The upper limit of photon mass is 1.2x10-51 g. 光子的静止质量光子的静止质量上限是1.;2x10-51g。
Up to now, all experimental results were only obtained the upper constrains on the photon mass. 至今为止,所有检验光子静止质量的实验都只是给出光子静止质量的上限。
A cloud is a mass of vapor in the sky. 云是天空中的水汽团。
The soldier rigged up a shanty for a night's rest. 士兵们临时胡乱搭起了一间小屋过夜。
The slide cut off the valley from the rest of the world. 山崩切断了这个山谷与外界的联系。
He had to lie down for a while to rest his legs. 他得躺下一会儿让腿休息一下。
I'm a little bit tired. Let's take a short rest. 我有点累了。让我们休息一会儿。
We can't go any farther without a rest. 不休息我们就走不动了。
The mass rally was a total fiasco. 那次群众集会彻底失败。
Evidently one of the main distinguishing characteristics of photon is just its zest rest mass. 显然光子的一个主要区别于其它粒子的特征就在于它的静止质量为零。
I need to sit down and rest my weary limbs. 我要坐下歇歇腿。
Let's collect the sap before its consolidation into a hard mass. 让我们在树液坚固成团之前将之收集起来。
Soon I dropped behind the rest of the class. 不久我就落在班上其他同志后面了。
Do you type the letter or take a rest? 你打信呢，还是休息呢？
John is English and the rest of us are Welsh. 我们当中，约翰是英格兰人，其余的都是威尔斯人。
After harvest we will have a mass of rice. 秋收后，我们将获得大量稻谷。
My father has been at rest since I was a girl. 在我还是小女孩时，我父亲就已去世了。
She says she doesn't like children in the mass. 她说从总体上讲她不喜欢孩子。
The matter cannot rest there I demand an apology. 事情不能就此罢了－－我要求向我道歉。