Waveguide slot antenna is firm, but the cost is too high. The microstrip antenna is light, its cost is low and it is simple to fabricate, so it is a prior consideration at much time.

波导缝隙天线比较结实，但是成本太高，微带天线则重量轻、成本低、易于制造，因此很多时候优先考虑。

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In fact,much of what historians know about the president's time at the house is from stories told by those soldiers.

VOA: special.2010.05.10

At the same time, and I think very much in line with the assertion that humans are created in the image of God, Humans are not, in fact, gods.

同时，我觉得它与这一主张也是一致的,人类是依照上帝的形象所创造的，事实上，人类并不是神灵。

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Let's pretend that at work, your boss gives you too much work and not enough time to finish it.

假设你上班的时候，老板给了你太多的工作，你没有足够的时间来完成它。

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And this would require that U.S. troops spend at least as much time at home as they do in Iraq.

NPR: Bush Needs Easy Confirmation of Attorney General

Newton says she knows all this and is frustrated at how much time she spends on Facebook, given that she has a job and a child.

CNN: Five clues that you are addicted to Facebook

The floor is much quieter than at one time, since much of the volume on futures exchanges is now traded electronically.

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