万分之二 » Parts per million 既要考虑房子,也要考虑汽车 » Necessary to consider the house, but also consider car ..
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与实际电路仿真结果相比,该模型仿真精度最大误差仅为万分之二,仿真速度超过实际电路仿真的800倍。
Compared with the result of RTL simulation, the maximal evaluation error of the simulator is less than two per ten thousand and the simulating speed is 800 times faster than RTL simulation.
下面来看几个典型的数字:地方警员及巡警的伤病率是万分之676左右,运动员是万分之2,041,电脑程序师则只有万分之二。
As a yardstick, the incident rate for local government police and sheriff's patrol officers was about 676, versus 2,041 for athletes and sports competitors, and two for computer programmers.
If you're trying to prevent a disease that only occurs at a rate of 20 per 100,000 people you have to give the vaccine to millions in order to see if the number goes down.
如果你尝试去防治一个,发病概率为十万分之二十人的疾病,那么就必须将疫苗分发给数百万人,以观察疫苗能否降低发病率
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