网络释义
...估的结果分为三类（rating）：一类是超优（outstanding） ；二类是优秀（successful）；三类是需要提高（improvement required）。同时公司还有一个员工速度（trending）的评定。
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双语例句原声例句
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我需要提高我的英语水平。
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我们需要提高生产力。
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一些分析人士预测，粮食产量需要提高50%才能维持目前的水平。
Some analysts estimate that food production will need to be raised by 50 percent to maintain current levels.
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During the war the government needs resources; it's in trouble; it raises taxes to try to pay for the war but then it finds it unable to collect taxes well.
在战争期间，政府需要资源；,它处于困境之中；,它通过提高税收来为战争支付开销,但是它又会发现自己不能够很好的得到税收资金。
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and the teacher needs to be trained better.
老师的素质也需要提高。
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Now, if I was a person that was designing a vaccine and I noticed that this was the response that it got, that antibodies were produced, they reached some intermediate level, they started to fall, I would say, "Well I haven't stimulated the immune system enough, let me re-boost, let me give another dose of antigen."
现在,如果我正在研究一种疫苗,我注意到机体会对这种疫苗产生应答,也就是会产生抗体,当抗体浓度达到中等水平后,就开始下降,就可以说,疫苗对免疫系统刺激还不足,我需要提高抗原浓度,让我再把剂量再加大一倍
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