它的各个弧段则代表一个波长的相应分数。
Sectors of it represent corresponding fractions of a wavelength.
传统的交通网络数据模型是用结点-弧段模型来表示的。
The basic data model of transportation network is represented by node-arc model.
研究了在降弧段进行高空机动的再入飞行器最优制导律。
An optimal guidance law for reentry vehicle with high altitude maneuvering on downward phase is studied.
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