1·Nitrogen-oxide emissions during the cruising portions of the flight fell by around a quarter.
飞行中巡航部分的氮氧化物的排放量下降了四分之一左右。
2·It is mainly used for power cruising.
它主要用于电力巡航。
3·This month, researchers aboard the U.S. icebreaking ship Nathaniel B. Palmer are cruising in the Ross sea in search of the signatures of this current system.
研究人员于本月登上了正在罗斯海巡航的美国破冰船纳撒尼尔·b·帕尔默号，寻找这类洋流系统的特征。
4·This month, researchers aboard the U. S. icebreaking ship Nathaniel B. Palmer are cruising in the Ross Sea in search of the signatures of this current system.
研究人员于本月登上了正在罗斯海巡航的美国破冰船纳撒尼尔·B·帕尔默号，寻找这类洋流系统的特征。
5·This height is also the frequent cruising altitude of commercial airliners.
这一高度也是商务航线的常用巡航高度。