他不得不做一些计算，因为不是所有的官方数据都会公布，但是他用法国数据演绎最小二乘法则得出每小时产出以每年3%的速度增长。
He has to make estimates, because not all the official numbers are out, but his reasoning squares with French data showing hourly output rising at an annual rate of 3% .
他不得不做一些计算，因为不是所有的官方数据都会公布，但是他用法国数据演绎最小二乘法则得出每小时产出以每年3%的速度增长。
He has to make estimates, because not all the official numbers are out, but his reasoning squares with French data showing hourly output rising at an annual rate of 3% .
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