microgel微凝胶体microadj.微小的pref.表示"微小；百万分之一"Micro- injury operation脑出血micro-scale measurement微尺度测量microcanonical assemblage微正则系综microcoulometric detector微库仑检测器microprogramming language微程序设计语言micro-hole ceramic pipe微孔陶瓷管microparticle bombardment微粒轰击microbio-logical method微生物测定法microbial desulfurization微生物脱硫Microtransaction - cost微观层次交易费用