preferred direction短语¹⁴⁴⁹⁷²⁺² 基本例句 优先定向,易磁化方向 The Parabolic Equation method PE is an approximation of the wave equation, which models energy propagating in a cone centred on a preferred direction, the paraxial direction. 抛物线方程 PE是波动方程的一种近似形式,它假设电磁波能量在沿着抛物线轴向的锥形区域内传播。 cnki Fiber is a kind of typical non- spherical particle due to its distinct preferred direction. 纤维粒子是一类极具代表性的非球形粒子,有明显的方向性。 cnki