查询词典 metric

Calculate the Einstein tensor from a given metric in a tetrad or in a coordinate frame.

读，写，简化，替代和区分数学表达式；定义张量和张量运算法则；从一个给定的公制中在四分体或者同等结构中计算Einstein 张量。

We had 86 metric tons of food pre-positioned by the World Food Program in El Salvador.

我们在萨瓦尔多有86吨由国际粮食计划署预先储备的食物，大约狗五十万人吃一顿。

Some new investigations are also reviewed of the use of this technique in such fields of electroanalysis as electrochemical para- metric estimation,selective electrod...

着重叙述在电化学参数估计、离子选择性电极，电位滴定，平衡常数测定、重叠谱峰的分解及校正等电化学分析领域中的一些新的研究成果。

The metric variational energy momentum tensor and the Belinfante tensor is equivalent and gauge invariant.

如果经典的作用量在度规的表达变换下不变，那么能动张量的迹为零， g^{ab}T_{ab}=0

The epicure awarded with highest metric black belt means the high-standard requirements for the life and work.

获得最高黑带级别的美食家就意味着他对生活和工作的高标准、严要求。

Finally,as to an equicontinuous homeomorphism on a compact metric space,...

最后，针对紧致度量空间上的等度连续同胚，利用空间的极小性和紧致性，得到以空间中某有限个点的有限长轨道为中心，以ε2为半径的开邻域构成的有限子覆盖，并利用f的等度连续性，由该子覆盖构造出以空间任一点的有限长轨道为中心的开邻域所作成的有限子覆盖，进而得到所要结论。

Minimality ; minimal set ; compact metric space ; open cover ; equicontinuous homeomorphism

极小性；极小集；紧致度量空间；开覆盖；等度连续同胚

They are, in effect, equidistant from the Earth in terms of both metric distance and velocity change.

然而，事实上从双方的度量距离和速度的变化方面来说，到地球的距离是相等的。

We give an equivalent characterization of the metric D〓 and investigate the properties of the sendgraph of fuzzy numbers.

给出了模糊数空间上D〓度量的等价刻画，讨论了模糊数的send-图性质。

This is equivalent to 202,500 metric tons of zinc and 11,400 tons of nickel--about 41% of LME zinc stocks and 7% of nickel inventories.

如此大的量，似乎给基本金属期货带来一些压力。这相当于卖出20.25万吨锌和1.14万吨镍，分别为LME锌库存的41%和镍库存的7%。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。