duo mei ti- wei xing ji suan ji Duo mei ti- wei xing ji suan ji duo mei ti- dian zi ji suan ji dan pian wei xing ji suan ji Duo mei ti- dian zi ji suan ji Dan pian wei xing ji suan ji hui bian yu yan- wei xing ji suan ji 微型计算机 9 wei xing ji suan ji ruan jian ke xue- wei xing ji suan ji ji suan ji ying yong- wei xing ji suan ji