在人工任务操作的情况下，这可能是数天、数周或更长时间。
In the case of a human task operation, this can be days, weeks, or longer.
克服了目前气敏传感器人工操作测试带来的效率低、误差大、操作人员长时间工作等问题。
Overcomes the present gas sensor manual control test to bring the efficiency lowly, the error big, the operator operating time long and so on the questions.
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