mass emission measurement 排气污染物总量测定
composite mass of exhaust emission 综合排放质量
Sonic emission of rock mass 岩石声发射
mass rate of emission standard [环境] 质量排放标准
acoustic emission in rock mass 岩体声发射
rock-mass acoustic emission 岩体声发射
rock mass acoustic emission 岩体声发射
mass rate of emission limits 质量排放限值
thermal emission mass spectrometry 热发射质谱测定法
While the low-emission Bionic car was never mass-produced, Mercedes has used similar design principles in subsequent cars produced for market.
虽然这款小排量的汽车并没有被大批量生产，但梅赛德斯却将相似的设计理念运用到其他量产车型上。
It is found that the mean mass concentrations varied from month to month due to changes in emission intensity and meteorological conditions.
随着排放强度和气象条件的改变，痕量金属的月平均质量浓度也发生相应变化。
The monitoring technique of rock mass acoustic emission is of wide use in the stope stability. A grey model GM (1.1) for scientific forecasting was presented in this paper.
岩体声发射监测技术已广泛应用于采场稳定性研究中，文中提出了能进行科学预报的灰色GM(1.1)模型。
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