Impact absorption work: the shape and size of the specimen in the impact test force under a role in the absorption of the power. Unit for J.

冲击吸收功：规定形状和尺寸的试样在冲击试验力一次作用下折断时所吸收的功。单位为J。

youdao

Look for groups of files that solve a particular problem, like how to persist an object (including doc and j-unit test files).

寻找解决某个特定问题的文件组，例如如何保存某个对象(包括文档和j - unit测试文件)。

youdao

Military aviation experts said the fighter? Known as the J-20? Appeared to be conducting high-speed taxi tests, which are usually the final stage before a test flight.

空军专家说这架战机，也就是J20似乎在做高速滑行实验，这通常是试飞前的最后一个步骤。

youdao

So why the test flight of the J-20 now?

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