She wonders what else they can do. For now,the Mahmoud family and others have no choice but to keep containers ready for the days when water does flow through the taps.
VOA: standard.2009.08.01
system is the opposite of the open system, no mass and no energy can flow through the boundary.
孤立系与开系正相反,没有质量或能量,能流过它的边界。
If there's no heat flow between the b and c, then I can say all right, a and c were the same temperature.
如果在与之间没有热量流动,那么我就可以说,好吧与处于相同的温度。
What happens then in--that's in 1925, so there's no cash flow at all.
之后1925年会发生什么呢,没有任何现金流
Let's say there's no heat flow.
让我们假设没有热量流动。
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