| 1. | " fog , mist " haze are all water vapor at ground level and above .
“fog，mist，haze”均为地面及地面以上的水蒸气。 |
| 2. | The resulting content of so2 in the gas-air mixture at ground level is called the ambient concentration .
在到达地面时之烟气-空气混合物中的SO2最终含量，称为“落地浓度”。 |
| 3. | The part of a plant , usually at ground level , where the stem and roots merge
根颈通常位于地面的、茎和根汇合的植物的那部分 |
| 4. | Environmental testing - test methods - test sa : simulated solar radiation at ground level
环境试验.试验方法.试验sa :模拟地面太阳辐射 |
| 5. | Environmental testing . part 2 : tests . test sa : simulated solar radiation at ground level
环境试验.第2部分:试验.试验sa :在地平面模拟太阳辐射 |
| 6. | Environmental testing - part 2 : tests - test sa : simulated solar radiation at ground level
环境试验.第2部分:试验. sa试验:地平线上模拟的太阳辐射 |
| 7. | Elements of electrical and optical connection - test methods - simulated solar radiation at ground level
光电连接元件.试验方法.地表面模拟太阳辐射 |
| 8. | The resulting content of so2 in the gas - air mixture at ground level is called the ambient concentration
在到达地面时之烟气-空气混合物中的so2最终含量，称为“落地浓度” 。 |
| 9. | At ground level ozone is a dangerous pollutant , but at altitude it blocks the passage of harmful ultraviolet light
臭氧在地表是一种有害气体，但在高空它阻挡有害的紫外光。 |
| 10. | Roads have been assumed to be at ground level in all cases and sensitive receivers were at 1 . 2m above ground
在任何情况下，假设道路是处于平地，而敏感用途则离地面1 . 2米。 |
