phase-plane的用法和樣例：
例句
- The large drift motion of the ESG under the influence of the electric torques istreated theoretically by using the phase plane method.
本文用相平面法討論靜電陀螺儀在靜電場干擾力矩作用下的大範圍漂移運動。 - The stability of the helical equilibrium is analyzed with phase plane method, and an analytical criterion of stability is revealed.
用相平面法分析螺旋線平衡的穩定性，導出解析形式的穩定性條件。
