女孩子们在起跑线后站成一排，准备将篮球运到场地另一边的锥形标志，再运回来。
The girls lined up behind the starting line, ready to dribble the ball to the cone at the other end of the court, and back again.
绕组线的封装。第3部分：锥形筒式输出线轴。第3节：由热塑性材料制成的不能回收使用的绕线轴规范。
Packaging of winding wires. Part 3: taper barrelled delivery spools. Section 3: specification for non - returnable spools made from thermoplastic material.
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。
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.
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