次: order; sequence法线: normal积分: integral; integrate; integra ...次法线: binom; binormal; subnormal次法线 副法线: binormal线积分: curvilinear integral; kurvenintegral line integral; line integral闭合线积分: closed line integral闭回线积分: circulation闭围线积分: closed contour integral复曲线积分: complex curvelinear integral光线积分器: light integrator环线积分: circulation路线积分: path integrals切线线积分: tangential line integral曲线积分: line integral围线积分: contour integral次法线;次法距;正常以下的: subnormal延迟线积分器: delay line integrator弗雷德霍线积分方程: fredholm integral equation线积分与路线的无关性: independence of path of a line integral势场内线积分只与起止点有关: the fundamental theorem of calculus for line integral法线: normal◇法线方向 normal direction次法距: subnormal一次法: once-through method; one-shot method因次法: method of dimensions