spherical indicatrix of principal normal的意思|示意
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主法线的球形指标
spherical indicatrix of principal normal的网络常见释义
吱线球面指标 吱线球面指标 spherical indicatrix of principal normal 副法线球面指标 spherical indicatrix of binormal 切线球面指标 spherical indicatrix of tangents ..
主法线球面指标 ... 主法线向量：principal normal vector 主法线球面指标：spherical indicatrix of principal normal 主法线丛：principal normal bundle ...