The ejecta surrounding the lunar crater is just what one would expect from an explosion ejecting a large volume of dust, soil, and boulders.
围绕在月球陨石坑周围的喷出物,正是人们所能预料到的在一次爆炸中能得到的物质,爆炸喷发出大量灰尘、土壤和岩石。
I expect those to enter the market within 12 months, but high volume is still five or more years away, "says Colegrove."
我希望这些产品能在12个月内进入市场,但是要大批出现在市场还需五年以上。
'We would expect total volume of travel to be fairly consistent,' she says.
她说,预计旅行总人数会基本稳定。
This piston is being brought out, so we expect 0 the work to be negative, negative. And we start o V2 ut with zero volume. We end up with a volume p2 of V2, and the external pressure is constant to p2.
所以我们可以想象功是负的,开始的时候体积是,最终的容积是,外界的压力恒为。
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