热成层之后是热成层顶，它是热成层的最外边界。

After the thermosphere is the thermopause, which is the outer most boundary of the thermosphere.

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缓冲器元件(40)的第二部分(54)位于外边界之外。

A second portion (54) of the buffer member (40) is beyond the outer boundary.

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它们不仅有一个外边界，还有一个内边界，称为“柯西”视界。

They have not only an outer event horizon but also an inner horizon, called a "Cauchy" horizon.

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for instance, for the thermos with the coffee in if you place the boundary in the inside wall of the glass or the outside wall of the glass and the inside of the thermos, that makes a difference; different heat capacity, etcetera.

比如说，对于装咖啡的热水瓶来说,你把边界设置在瓶胆的内壁上,或者设置在瓶胆外壁上,或设在热水瓶里面，情况都是不一样的;,有不同的热容等等。

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