这儿的失业率是全国平均数的两倍。
那就把每年的收益率求一个平均数吧。
生育率是一个女性预计会生下的孩子数。
The fertility rate is the number of children a woman can expect to have.
减少了数据维数，加快了数据分析，提高了准确率，并能够识别新型攻击。
This method can reduce dimension of data and improve speed of data process.
心力衰竭的年增长数为50万；年死亡率为30万。
The annual growth in heart failure is 50 million, during which 30 million in mortality.
请降低屏幕的分辨率和颜色数，然后重试。
Please lower your screen resolution or color depth and try again.
这个城市的出生率大大超过全国的平均数。
The birthrate of the city was well above the national average.
这个城市的出生率大大超过全国的平均数。
The birthrate of the city was well above the national average.
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