jack 插座；塞孔

jacket 套；外套

jagged 锯齿状的

jagged line 锯齿状线

jamming 干扰；干扰杂音

jamming margin [ 人为]干扰极限

jaw, bottom-centering 下定中爪

jaw, centering 定中爪

jaw, top-centering 上定中爪

jitter 抖动

jitter, horizontal 水平抖动

jitter, phase 相位抖动

jitter, timing 时序抖动

jitter, vertical 垂直抖动

job transfer and management (JTM) 作业传送和管理

joint 结；结点

joint time-frequency analysis (JTFA) 联结时序频率分析

joint-type field-effect transistor (JFET) 连结式场效应管

joule (J) 焦耳

joystick 摇杆

jump 跳越

jump, indirect 间接跳越

jumper 跨接线

junction 接点；连结；结点

junction circuits 连接电路，中继电路，汇接电路

junction depth 连结深度

junction diode 连结式二极管

junction field-effect transistor (JFET) 连结式场效应管

junction isolation (JI) 连结隔离

junction leakage 接点泄漏

junction temperature 接点温度

junction transistor 连结式晶体管

junction, solder 焊接点

junctor 连接器，联络线

just-in-time (JIT) 及时

justification 码速调整，调整

justification bit 码速调整位

justification ratio 码速调整比

justify 对齐；调整

juxtaposition 并列