This view may be correct: it has the advantage that the currents are driven by temperature differences that themselves depend on the position of the continents.
这种观点可能是正确的:它的优点是洋流是由温差驱动的,而温差本身又取决于大陆的位置。
That means more cold air pooling in the valleys and more extreme temperature differences, which could disrupt the local ecosystem.
这就意味着有更多的冷空气聚集于山谷,温差将急剧增大,从而破坏当地的生态系统。
The energy from these remarkable engines is, however, not entirely free: heat energy is required to produce the temperature differences needed to run the engine.
然而这些神奇的发动机工作时并非完全不耗能,因为必须有热能来制造温差才能使机器运转。
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