The thorough man of business knows that only by years of patient, unremitting attention to affairs can he earn his reward, which is the result, not of chance, but of well-devised means for the attainment to ends - Andrew Carnegie, Industrialist
研 究 機 構
所 屬 企 業
服 務 平 台
學 會 聯 盟
   版權所有©  國家工業信息安全發展研究中心| ICP備案編号:京ICP備05037055号