习惯用语a new departure1.新起点, 新方案, 新政策take one's departure1.动身, 离开departure from1.违反, 违背特殊用法all weather departure1.全天候起飞frequency departure1.频率漂移geostrophic departure1.【气】地转偏差latitude and departure1.经纬距mean squared departure1.均方偏差relative departure1.相对偏离recommended departure from the cost basis1.按原成本加减一定金额作为计算基础total departure1.总偏差, 总偏离度