等效: equivalent点: drop系: system; series等效点: equivalent point等效点阵: equivalent lattice对称等效点: symmetry-equivalent points一般等效点: general equivalent points点系: point system失效点: failpoint特效点: effect point无效点: null spot有效点: available point; efficient point转效点: break point等效: [电学] equivalent质点系: system of ma points; system of mass points; system of material points; system of particles等同功效点: break-even point氯化转效点: breakpoint chlorination; chlorination break point平均转效点: breakeven point生产有效点: efficient point of production转效点;断点: breakpoint拮抗转效点: resistance breakpoint发动机失效点: point of engine failure有效点估计式: efficient estimator转效点, 停止点, 断点: break-point八点系泊法: eight-point mooring