Starting this year, vertical separation between aircraft cruising near each other in Chinese airspace will be slashed in half to 1,000 feet, already the standard in developed regions.
今年晚些时候，在中国空域飞行的飞机彼此之间垂直间隔可缩减一半至1000英尺，这已达到发达国家的水平。
Starting this year, vertical separation between aircraft cruising near each other in Chinese airspace will be slashed in half to 1,000 feet, already the standard in developed regions.
今年晚些时候，在中国空域飞行的飞机彼此之间垂直间隔可缩减一半至1000英尺，这已达到发达国家的水平。
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