Although takeoff, initial climb, approach, and landing account for only 18 percent of flight time, they account for 79.9 percent of all accidents.

尽管起飞、爬升、进近和降落总共只占整个飞行时间的18%，但他们却是造成飞机失事的79.9%的原因所在。

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Although takeoff, initial climb, approach, and landing account for only 18 percent of flight time, they account for 79.9 percent of all accidents.

尽管起飞、爬升、进近和降落总共只占整个飞行时间的18%，但他们却是造成飞机失事的79.9%的原因所在。

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