Based on many survey data the paper puts forward overall distribution characteristics of pedestrian walking speed at four-way signal intersections in Beijing.
通过大量的实测数据，提出了北京市四支信号交叉口行人步行速度的总体分布特征参数。
Based on the survey of 35 organic pollutants in the soils of Shenyang suburbs, this paper studied the detection characteristics of the pollutants and their spatial distribution characteristics.
对沈阳市城郊土壤中35种有机污染物进行了检测，分析了土壤有机污染检出特征和空间分布特征。
In the survey planning based on its characteristics, stratum, survey delineated the scope of the distribution, and pay attention to its symbiotic arrangement of mineral exploration;
在勘查规划中依据其特点，按其赋矿地层的分布范围划定勘查范围，并注意安排其共生矿产的勘查；
In the survey planning based on its characteristics, stratum, survey delineated the scope of the distribution, and pay attention to its symbiotic arrangement of mineral exploration;
在勘查规划中依据其特点，按其赋矿地层的分布范围划定勘查范围，并注意安排其共生矿产的勘查；
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