But the ground also loses heat by radiation.
不过地面也会通过辐射散发热量。
What aviation professionals know is that a global network on the ground also helps guide every flight.
而航空专业人士明白,全球地勤工作网络也能协助指引各架航班。
Choice concerning ground of nuclear power plant, in addition to bedrock ground, also take soil ground into account.
关于核电厂地基的选择,除了基岩地基外,也应考虑土质地基。
Also prune branches growing toward the ground, high branches growing straight up and shoots growing from the base of the tree.
VOA: special.2009.10.06
So, for example, we could talk about the n equals 2 state, so that's this state here, and it's also what we could call the first excited state. So we have the ground state, and if we excite an electron into the next closest state, we're at the first excited state, or the n equals 2 state.
例如,我们可以考虑n等于2的状态,它在这里,它也被称作是第一激发态,我们有基态,如果我们把一个电子,激发到它最近邻的态,那就是第一激发态,或者n等于2的态。
Also,the root can stay in the ground for as long as three years, so it can be harvested as needed.
VOA: special.2010.06.08
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