As more and more cars are produced and used, so the emission from their exhaust-pipes contains an ever larger volume of poisonous gas.
随着越来越多的汽车被制造和使用，这些汽车排气管里的排放物所包含的有毒气体的总量也越来越多。
During the cracks producing, there existed very significant power correlation between the average volume of cracks and N2O daily emission flux.
在裂缝产生过程中，裂缝的平均体积与N2O日排放通量之间存在极显著的乘幂关系。
The numerical simulation results show that the modulation bandwidths is obviously different by varying the active volume at an high spontaneous emission coupling ratio.
数值模拟结果表明：当自发发射因子较大时，对于不同的有源区体积，电流调制带宽显著不同。
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