單: singular number fate; destin ...切線: tangent單切: simple cut; single cut單切變: single shear單切法: single-slit method單切面: uniplanar切線: [數(shù)學(xué)] tangent (line)單切割長度: single cut length; single cut-length單切換控制: single-shift control單切結(jié)點(diǎn): one-tangent node單切面結(jié)點(diǎn): unode單切面重點(diǎn): unode of a surface簡單切應(yīng)力: simple shearing stress半切線: semitangent裁切線: trim line次切線: subtangent鋒切線: front shear line公切線: [數(shù)學(xué)] common tangent拐切線: inflectional tangent橫切線: cross cut; line transect剪切線: shear line; shearing line交切線: line of intersection內(nèi)切線: inner tangent line切線，正切: tangent切線波: tangential wave
