Are you flying in an aisle seat in a Dreamliner or in the middle seat in a MD-80?

是梦幻客机上一个靠近过道的座位，还是MD - 80上的一个中间座位？

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The McDonnell Douglas MD-80, still widely in use, has a fatal accident rate of 0.31 per million departures.

仍在广泛使用的麦道公司(McDonnell Douglas)的MD - 80型飞机，每百万次飞行发生的致命事故数是0.31。

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The feather marrow from chickens with infectious Marek' s disease (MD) was used for the detection of MDV by AGP, the potive tales were 80%.

拔取病鸡含羽髓的羽毛，用免疫琼扩试验检测，检出率为80％；

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The target: bundled wiring for Boeing MD-80 planes at American Airlines and other carriers.

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The MD-80 was carrying 98 passengers, two pilots and three flight attendants, Heires said.

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American Airlines said it has already installed prototypes of the devices on an MD-80 and a Boeing 757.

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