...。初级日语教程内容充实，有趣，生活化，共有词汇量约1500个，扎实牢固掌握教材内容就能用日语实现基本交流，可参加日本语国际能力5，4级考试或实用日语托业（J-test）EF级考试。中，高级提高班：深入学习日语词汇句型的基础上，学习者通过反复朗读比对领会用法，学以致用达到流利交谈。
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以上来源于: WordNet
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。
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。
Methods The separation rate, growth speed and drug sensitivity test of M tuberculosis were observed to compare L J medium with improved L J medium.
方法将无淀粉LJ培养基与改良LJ培养基做比较， 分别从结核菌的分离率、生长速度及药物敏感试验等方面观察。
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