Do you know what are the responsibilities for the aircrew?
你知道空勤人员的职责是什么？
Do you know what are the responsibilities for the aircrew?
你知道空勤人员的职责是什么吗？
Objective To study a simple method for estimating cosmic radiation effective dose rate for aircrew.
计算某航空公司各类飞行人员飞行中受到的宇宙辐射有效剂量。
Objective To study a simple method for estimating cosmic radiation effective dose rate for aircrew.
计算某航空公司各类飞行人员飞行中受到的宇宙辐射有效剂量。
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