Consider humans as part of these ecosystems, you've probably heard about water shortages or restrictions on how much water you can use, especially in the summer time, in recent years.
考虑到人类是这些生态系统的一部分,你可能听说过,水资源短缺可能会限制你可以使用多少水,特别是近些年夏天的时候,
Matches all elements that are of type string or restrictions of a base type string
这匹配类型为字符串的所有元素,或基类型为字符串的限制。
Moreover, the Vietnamese pharmaceutical regulations do not provide price controls or restrictions.
此外,越南药品法规没有规定的价格管制或限制。
Or whether they have just had enough and they don't like the restrictions, and they don't like the cyber attacks, and they're going to move out so as to preserve their name and brand."
VOA: special.2010.01.15
So you know, what the second law is doing, in other words, it's putting these restrictions on how well or how effectively we can convert heat into work in the case of the engine, or work into heat extracted in the case of a refrigerator.
你们知道,在热机中,热力学第二定律的作用,换句话说,就是给热量,转化为功的效率,施加限制,或在制冷剂中,对抽取热量,进行限制。
He says they are facing increasing restrictions on their ability to hunt or fish in their traditional homelands.
VOA: standard.2009.03.22
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