制造一种好的热电材料的关键是,需要一种电子可以自由流动的晶体结构。
The trick to a good thermoelectric material is a crystal structure in which electrons can flow freely.
美国联邦能源监管委员会得出结论说,一条自由流动的河流所带来的环境和经济效益超过了大坝产生的电力,因此下令拆除大坝。
The Federal Energy Regulatory Commission ordered the dam removed after concluding that the environmental and economic benefits of a free-flowing river outweighed the electricity generated by the dam.
因担忧损害国民工资协议,他对劳工自由流动的热情也减轻了。
His enthusiasm for the free movement of Labour is tempered by fear that it could undermine national wage agreements.
But rooted in free labor ideology is, among other ideas, this notion of mobility.
但是自由劳动意识体系起源于,在众多观点中,人口流动的概念
That a free laborer is a mobile laborer, especially in a society like the United States that had this thing called The West, the limitless apparently to them anyway--boundless West.
自由劳动者是流动的,尤其处在美国这样的社会,有他们所说的广袤的西部,特别对他们来说,无边际的西部
He did it to bring more light, he did it to bring more air, he did it to free the flow for capital, money; that's why the department stores are on the boulevards.
他这么做是为了多点光,多点新鲜空气,他为了使资产的流动更为自由,这就是为什么百货商店都建在大道旁边
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