问：中方对欧盟将航空纳入碳排放交易体系持何立场？
Q: What is China's position on the EU incorporating aviation emissions into the carbon trading scheme?
但无论事故因何而起，也没人感到震惊，因为这已是印尼今年第三次发生航空事故。
But, whatever the cause of the accident, few people were surprised by it. It was the third airliner to crash in Indonesia this year.
这个数值似乎出自航空引擎制造商，但是他们却没有公开，他们是以何依据得出此数值的。
the figure appears to have come from engine manufacturers, but the evidence on which it is based has not yet been made public.
应用推荐