JIC just in case 以防万一
JCCLS Japan Committee for Clinical Laboratory Standards 日本临床实验室标准委员会
J/S Jamming to Signal Ration 信号干扰比
JTIDS Joint Tactical Information Distribution System 联合战术信息发布系统
JFAA Jitter Free Anti Aliasing 自由跳跃进抗锯齿
JGSS Jittered Grid Super-Sampling 移动式栅格超级采样
JPRS Jittered pseudo random sampling 抖动假取样
JBOD Just a Bunch Of Disks 磁盘连续捆束阵列
JPEG Joint Photographics Expert Group 联合图象专家组
JYMS JIANGYOU MIDDLE SCHOOL 江油中学
J.A. joint account 联合（共管）帐簿
J.D.B. journal day-book 分类日记帐
J/F journal folio 日记帐页数
J.V. journal voucher 分录凭单
JVC joint venture company 合资公司
JDBC Java DataBase Connectivity standard Java数据库连接标准