| 编号 | 原文 | 台湾用语 | 大陆用语 | 其他用语 |
| 1 | x address | x位址 | | | |
| 2 | x automatic translation code | x自动翻译码 | | | |
| 3 | x direction | 横轴方向 | | | |
| 4 | x edit descriptor | x编辑描述符（定位编辑的） | | | |
| 5 | x index register | x索引暂存器 | | | |
| 6 | X protocol | X协定 | | | |
| 7 | x register y bit | x暂存器y位元 | | | |
| 8 | x select input | x选择输入 | | | |
| 9 | x status register | x（轴）状态暂存器 | | | |
| 10 | X user interface toolkit | X使用者介面套件 | | | |
| 11 | x value | x值 | | | |
| 12 | X window | X视窗 | | | |
| 13 | X window system | X视窗系统 | | | |
| 14 | X.11 | X.11标准 | | | |
| 15 | X.25 | X.25标准 | | | |
| 16 | X.400 | X.400标准 | | | |
| 17 | X/Open | X/Open | | | |
| 18 | X/OPEN | X/开放 | | | |
| 19 | X/Open Management Protocol | X开放管理协定 | | | |
| 20 | X/Open portability guide | X开放可携性导引 | | | |
| 21 | X3 | X3标准 | | | |
| 22 | x-axis | x轴；横坐标 | | | |
| 23 | x-axis label | x轴标号 | | | |
| 24 | x-band | x频带（频率 围5200兆赫－10900兆赫） | | | |
| 25 | x-band phase shifter | x频带相移器 | | | |
| 26 | x-datum line | x基准线 | | | |
| 27 | XENIX operation system | XENIX作业系统 | | | |
| 28 | xenon flash lamp | 氙闪光灯 | | | |
| 29 | xerographic copy | 静电印刷复制 | | | |
| 30 | xerographic printer | 静电印刷列印机 | | | |
| 31 | xerography | 静电印刷术 | | | |
| 32 | Xerox network systems | 全录网路系统 | | | |
| 33 | Xerox operating system | Xerox作业系统 | | | |
| 34 | Xerox telecommunication network | Xerox电信网 | | | |
| 35 | XGA | | 扩展视频图形适配器 | | |
| 36 | XLL | | 可扩展链接语言 | | |
| 37 | XML | | 可扩展置标语言 | | |
| 38 | XOR gate | 互斥或闸 | | | |
| 39 | XOR logic gate | 互斥或逻辑闸 | | | |
| 40 | x-punch | 11列打孔；x列打孔 | | | |
| 41 | x-ray emission gauge | x射线幅射计 | | | |
| 42 | x-ray tube | X射线管 | | | |
| 43 | x-series of recommendations of CCITT | 国际电话电报谘询委员会x系列建议 | | | |
| 44 | XSL | | 可扩展样式语言 | | |
| 45 | x-y axis | x-y轴 | | | |
| 46 | x-y coordinate CRT display | x-y坐标阴极射线管显示器 | | | |
| 47 | x-y plotter | x-y绘图器；x-y绘图机 | ??绘图机 | | |
| 48 | x-y recorder | x-y（轴）记录机 | | | |
| 49 | x-y switch | x-y交换器 | | | |