subloopn.副回路(子回路)subn.潜艇；替代品vi.替代vt.转包合同sub-branch under secondary branch二级分支行Subcutaneous tissue of lower eyelid下睑皮下组织sub-carrier monitoring instrument副载波监测仪表subepidermal basement membrane zone表皮下基底膜带subacute sclerosing panencephalitis亚急性硬化全脑炎sub-regional economic cooperation次区域经济合作subarachnoid space block anesthesia蛛网膜下腔阻滞subsurface multiple circular cavity多个浅埋圆形孔洞substations in the development zone开发区变电所subacutemyelo-optico-neuropathy亚急性脊髓-视神经病