而涡度变率强度与中低空的条件对称不稳定密切相关。
The intensity of vorticity variability was closely related with the conditional symmetric instability in the middle-low troposphere.
第4代AURORA系统可用于中低空的有人或无人飞行器中，而增添的载荷仅为35磅（15.87千克）。
The AURORA Generation IV system can be used on a wide range of low- and medium-altitude manned or unmanned vehicles that can accommodate payloads as low as 35 pounds.
分析模拟结果中特定点的水成物垂直分布发现：降水 云由 高空冰晶、中低空雪、霰、 云水及低空雨水等组成。
The precipitation is composed of ice particles in the upper altitude, snow, graupel, raindrops and the cloud liquid water in the lower altitude.
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