| Subject | Chinese | English |
| China, law | 侵犯公民通信自由权利 | infringe upon the citizen's right to freedom of correspondence |
| China, polit. | 侵犯公民的通信自由和通信秘密 | infringe upon citizens' freedom and privacy of correspondence |
| consult. | 保障人身、言论、出破、集会、结社、旅行、迁徙、通信、罢工，选择职业和学术研究以及宗教信仰等各项权利与自由 | rights and freedoms, including those of person, of speech, of the press, of assembly, of association, of travel, of movement, of correspondence, of strike, of choice of occupation, of academic research and of religious belief |
| IT | 数据通信自由化 | data communication freedom |
| el. | 自动路由选择卫星通信 | satellite telecommunications with automatic routing |
| space | 自由空间光通信 | free space optical communication (一种光无线通信技术) |
| space | 自由空间光通信 | free-space optical communication |
| IT | 自由空间光通信 | free space optical communication |
| el. | 自由空间光通信技术 | free space light communications technique |
| el. | 自由空间光通信系统 | free space optical communications system |
| space | 自由空间激光通信 | free-space laser communication |
| el. | 自由空间通信设备 | free space communication equipment |
| el. | 自适应多媒体通信路由选择 | adaptive multimedia communications routing |
| China, law | 通信自由 | freedom of correspondence |
| China, polit. | 通信自由和通信秘密 | freedom and privacy of correspondence |
| China, law | 通信自由权利 | right to freedom of correspondence |
