... 原因不明的故障 bugs ; passive defects 原因不明的动作 doubtful operation 原因不明的飞行事故 unexplained accident ...
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According to statistics, pregnant women passive smoking of infant birth defects rate significantly increased.
据统计，孕妇被动吸烟的婴儿致畸率明显增高。
A passive controlled antiroll tank is one of the new developments of stabilizers. It overcomes inherent defects of passive antiroll tank and damps ship rolling motion at any sea state.
可控被动水舱是一种新型的减摇水舱，它可克服传统被动水舱的缺点，在任何海况下都能较有效地减缓船舶的横摇运动。
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