她小学六年级辍学，她的前三个孩子和她的情况差不多。
Her education stopped in sixth grade, as did that of her first three children.
前一节介绍的身份验证方法是用户级安全措施。
The authentication described in the previous section is user-level security.
我每次更换后级电子管的时候是不是必须把前级管也一起换？
Do I need to replace my driver tube every time I replace my power tubes?
或者姚明在受伤前打出的是MVP级的数据？
凤凰作为前级远超过我的期望。
在真空系统中，这种泵可单独使用，或作为增压泵、扩散泵等的前级泵。
Use: May serve as the transmission in the oil transfer system, the booster pump.
没有哪个前金球奖得主遇到这样的危机， 而且没有哪个世界级球员踢得这么糟。
There is no post-Golden Ball crisis and there is no world class player playing badly.
没有哪个前金球奖得主遇到这样的危机， 而且没有哪个世界级球员踢得这么糟。
There is no post-Golden Ball crisis and there is no world class player playing badly.
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