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- Detecting the density of pollutant gas is one of the important applications of lidar.The minimum detectable concentration is a key index of lidar. 探测大气中污染气体的浓度是激光雷达的一个重要应用方面,最小可探测浓度是衡量一个雷达系统的重要指标。
- The density of population in this city is very high. 这个城市的人口密度非常高。
- The testing by Beijing Environment Protection Scientific Research Institution shows: Purple Jade Villas has fresh air, high content of oxygen, and low density of pollution. 庄园内的空气和水质均经北京环境保护科学研究所检定,空气清新,含氧值高,空气污染浓度极低。
- The area had a population density of five people per square mile. 该地区人口密度为每平方英里五人。
- Do you know the density of population in this area? 你知道这个地区的人口密度吗?
- Japan has a high density of population. 口密度很大。
- IS THE POPULATION DENSITY OF CHINESE CITIES HIGH? 中国城市的人口密度高吗?
- What is the bulk density of the feed material? 进料物的容重比?
- What is the bulk density of the product? 所需产品的容积密度是多少?
- Is the density of such hollow fortresses. 是指这种空心敌楼非常密集。
- Water has a density of 62.4 pounds per cubic foot. 水的密度是每立方英尺62。4磅。
- Density of products, and low thermal conductivity. 产品密实性好，导热系数低。
- To lessen the density of; rarefy. 稀释减弱集中程度；使变稀薄
- There is a greater density of household goods. 家用商品的密度更大了。
- The population density of the province is very low. 这个省的人口密度很低。
- The population density of this city is low. 这个城市的人口密度很低。
- To lessen the density of;rarefy. 稀释减弱集中程度；使变稀薄
- density of pollutant 污染物浓度
- Reflectivity depends on the velocity and density of rocks. 反射能力取决于岩面的速度和密度。
- The population density of that country is 685 per square mile. 那个国家的人口密度为每平方英里685人。
