The traditional approach for calculating total lifes mileage of vehicle component requires making load spectrum which can reflect total lifes mileage.
传统的计算车辆构件全寿命里程的方法首先要编制反映全寿命里程的载荷谱。
We present the change of business vehicle numbers in Fujian during 2001 and 2006, together with the increase of total highway mileage and highway density in the same period.
由福建省2001—2006年营运汽车数量的变化和福建省公路总里程的增加及公路密度的增长情况入手，根据欧Ⅰ和欧Ⅱ排放标准估算出2006年营运汽车排放的尾气总量。
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