A. one category I 406 Mhz satellite EPIRB B. at least one life buoy on each side of the vessel fitted with a buoyant life line C. at least 12 rocket parachute flares D. All of the above
A. 正确 B. 错误
A. 顺式作用元件 B. 反式作用元件 C. 顺式作用因子 D. NA序列是 E. 顺／反式作用元件
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