quiescent atmosphere density 静大气密度
optical density of atmosphere 大气光学密度
varying density atmosphere 变密度大气
the density of atmosphere 大气密度
high-density atmosphere 高密度大气
so density of atmosphere 大气so2浓度
The influence of atmosphere density and initial velocity on the parachute inflation times, inflation distance and Max strain of suspension-line were analyzed by the simplified model.
运用简化的模型初步分析了在不同大气密度、初始开伞速度下的充气环境对降落伞充气时间、充气距离，伞绳最大拉力的影响。
Scientists have known for a long time that aerosols such as soot, dust and other small particulate matter, alter cloud density and the radiative balance of the atmosphere.
科学家们很早之前就发现，诸如煤烟、灰尘和其他细小的微粒，能改变云体的密度及大气的辐射平衡。
The key to this is the reduced density of the atmosphere, which affects how fast the ball moves through the air and also the bend of a spinning ball.
此处的关键在于大气的折合密度，它会影响球在空中穿越的速度以及旋转球的弯曲度。
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