The restricted cruise economy includes a series of products and service trade led by the arrival before and arrival, stop, depart from the cruise port.
狭义的邮轮经济是指邮轮抵达之前、抵达、停靠、离开邮轮码头所引发的一系列产品与服务的交易。
2
Hence, modularized propulsion system and the trade-off among these variables must be taken into account in the configuration design of the hypersonic cruise vehicle.