利用艾蒿进行植物修复对环境扰动少，土壤破坏力小；

Mugwort is utilized for phytoremediation to have small disturbance to environment and small destructive power to soil;

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但实践中，环境扰动通常是多方向的，且有耦合振动存在。

However, in practice, environmental vibration is of multi-orientation and coupled.

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用所得的分析结果说明了航天器环境扰动和其他有关的空间现象。

The disturbance in spacecraft environment and other space phenomena are explained by the analytic results.

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