In other words, the concentration of at any time is given by the initial concentration, t minus the rate constant times time.
换句话说，任意时刻A物质的浓度等于初始浓度，减去常数乘以时间。
Study after study has shown that they test poorly, don "t get as far in school, earn less, are less healthy, and don" t live as long as children born at other times of year.
多项研究表明，他们成绩很差，上学时间较短，薪水较低，健康状况较差，寿命也不如其他季节出生的孩子长。
Study after study has shown that they test poorly, don "t get as far in school, earn less, are less healthy, and don" t live as long as children born at other times of year.
多项研究表明，他们成绩很差，上学时间较短，薪水较低，健康状况较差，寿命也不如其他季节出生的孩子长。
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