標準齒輪standard gear

　　標準直齒輪standard spur gear

　　表面質量系數superficial mass factor

　　表面傳熱系數surface coefficient of heat transfer

　　表面粗糙度surface roughness

　　并聯式組合combination in parallel

　　并聯機構parallel mechanism

　　并聯組合機構parallel combined mechanism

　　并行工程concurrent engineering

　　并行設計concurred design, CD

　　不平衡相位phase angle of unbalance

　　不平衡imbalance (or unbalance)

　　不平衡量amount of unbalance

　　不完全齒輪機構intermittent gearing

　　波發生器wave generator

　　波數number of waves

　　補償compensation

　　參數化設計parameterization design, PD

　　殘余應力residual stress

　　操縱及控制裝置operation control device

　　槽輪Geneva wheel

　　槽輪機構Geneva mechanism；Maltese cross

　　槽數Geneva numerate

　　槽凸輪groove cam

　　側隙backlash

　　差動輪系differential gear train

　　差動螺旋機構differential screw mechanism

　　差速器differential

　　常用機構conventional mechanism; mechanism in common use

　　車床lathe

　　承載量系數bearing capacity factor

　　承載能力bearing capacity

　　成對安裝paired mounting

　　尺寸系列dimension series

　　齒槽tooth space

　　齒槽寬spacewidth

　　齒側間隙backlash

　　齒頂高addendum

　　齒頂圓addendum circle

　　齒根高dedendum