为什么

Business Class (Air Freight; also see C, Economy Class)商务舱(空运,也看到C,经济舱) Yotta- (prefix, 10^24 or septillion)Yotta -(前缀、10 ^ 24或septillion) Luminance (signal)亮度(信号) Why?为什么? Y Chromosomen. Y染色体(性染色体的一种) Yeomann. 自耕农 Yawv. (船, 飞机等)偏航 Navigational error of search craft导航错误的搜索的工艺 Bundeswehr (German Armed Forces; number plate)Bundeswehr(德国军队数量板) Income (economics)收入(经济) US DoT tire speed rating (188 mph)我们点风速(188英里/小时轮胎) Male Chromosome男性的染色体 Yukon Territory (postal code designation, Canada)育空地区(邮政编码指定、加拿大) Tyrosine (amino acid)酪胺酸(氨基酸) Real Gross Domestic Product (economics)实际国内生产总值(经济)