field path planning 田间道路规划
far-field path-independent integral 远场路径无关积分
path in field 田间小路
Return-Path field 返回路径部分
Field-Path model and calculation method are set up for dynamic performance to be accurately calculated in a system of PWM frequency conversion and speed regulation in the paper.
建立了PWM变频调速系统动态性能精确计算的场―路模型和计算方法。
But others note that Jupiter's powerful gravitational field can just as easily send an object into Earth's path as push it deeper into space.
VOA: special.2009.08.25
The path leads past an open field covered with huge rocks, through a group of tall spruce trees, and past a field of blueberry bushes.
VOA: special.2009.07.20
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