inves包埋, 围棋, 附于INVabbr.发明者(=Inventor)abbr.反相器(=Inverter)abbr.体外授精(=in vitro fertilization)invariance theorem不变性定理invoicing currency发票通货involute heart cam渐开线形凸轮invisibility ratio不可见度比invex-convexlike不变类凸invese limit space逆向极限空间Invariance feature不变性特征invariance measure不变测度invulnerablebilityn.不能伤害invaginated synapse陷入型突触