Through these experiments, we find that the micro actuators vibrate in high frequency under the action of the alternating magnetic field, which make the micro robot model move forward in the water.
实验表明，该模型在交变磁场的作用下，微执行器将做高频率划动，使水下微机器人模型能够在水中产生运动。
Under a certain water and nitrate treatments, soil nitrate in open-land vegetable field would move down below 180cm soil.
一定水氮供应条件下，露地生产蔬菜地土壤硝态氮有可能淋洗到1.8米土体以下。
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