背: body's back前角: anterior angle; front rake a ...前角: anterior angle; front rake angle; procerite; rake背前束: predorsal fasciculus右背前: right dorso-anterior右背前位: right dorso-anterior position左背前位: left dorso-anterior position超前角，导前角。: lead angle波前角: wavefront angle侧前角: side rake angle超前角: advance angle; angle of advance; angle of lead; lead angle; leading phase angle导前角: angle of advance; angle of lead; leading angle堤前角: advance angle副前角: front top rake angle; side rake angle; side-rake angle负前角: negative rake前角(脊髓): anterior(ventral) horn前角突: anterior cornu前角柱: front corner post刃前角: angle of cutting edge提前角: advance angle; angle of adance; angle of advance; angle of allowance; angular advance; director angle真前角: true rake angle正前角: positive rake angle; positive top front rake主前角: front top rake angle锥前角: angulus anterior pyramidis侧口前角: lateral prostomial horn
