The return of the orbiter replicates a technological feat achieved by the US and Soviet Union over 40 years ago, but is a skill necessary for China's plans to send an astronaut to the moon.
成功返回的卫星照搬了美苏40年前的技术成就，这一技术对中国载人登月计划至关重要。
As a recent special report explains, technological change over the last generation has wiped out many middle-skill jobs, pushing millions of workers into competition for low-wage work.
正如一份最近的特别报告所解释的，上一代技术变革已经消除了许多需要中等技术的工作机会，把数百万工人推进了为低工资工作相互竞争的深渊。
The skilled worker's grade of skill is on the low side, and technological quality demands urgently to improve;
技术工人的技能等级偏低，技术素质亟待提高；
The skilled worker's grade of skill is on the low side, and technological quality demands urgently to improve;
技术工人的技能等级偏低，技术素质亟待提高；
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