比较分析了两种捕获段水平面轨迹:切线轨迹和弧线轨迹。分别给出了两种轨迹的数学模型以及航程计算公式。
Two kind of horizontal plane trajectories of the Acquisition Phase (AP), Tangential Trajectory and Arc Trajectory, are discussed and predictors of ground track range are given, respectively.
票价将根据您购票之日我们的有效运价计算,该票价适用于您的客票上所载明的特定日期和航程。
Your fare will be calculated in accordance with our Tariff in effect on the date of payment of your ticket for travel on the specific dates and itinerary shown on the Ticket.
多普勒计程仪是根据声波在水中的多普勒效应原理而制成的一种精密的测速和计算航程的仪器,它是船用导航设备的重要组成之一。
Doppler log is a precise instrument, which is used to measure ship velocity and calculate its voyage on the theory of Doppler Effect of sound wave in water.
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