micropen微型笔microadj.微小的pref.表示"微小；百万分之一"microstrip slot antennas微带缝隙天线microbiological compound复合微生物制剂Micro running water pond微流水池塘microcoacervate droplets微小凝聚滴microperfusion technique微灌注术microbial food poisoning细菌性食物中毒microslip discrete model微滑移离散模型microbiologic population微生物群落microstepping controller细分控制器micro-scale experiment微型实验