静止大气 meaning in Chinese

atmosphere at rest

( 5 ) designed the synthetic jet actuators and the testing system . experimented it in quiescent air , and analyzed the actuator ' s influence factors , such as voltage magnitude and frequency . the results agreed with the conclusions that made from theory analysis and numerical simulation
( 5 )基于设计的合成射流激励器及测试系统，在静止大气环境进行了初步原理性实验，并对激励电源电压幅值和频率对合成射流的影响进行了分析，实验结果与理论分析及数值模拟结果相吻合。