| 空对地弹道导弹 air-to-surface ballistic mis... |
| 空对地通信 air-to-ground communication |
| 空对水下导弹 air-to-underwater missile |
| 空对空 air to air |
| 空对空导弹 air-to-air missile |
| 空对空火箭 air-to-air rocket |
| 空对空间导弹 air-to-space missile |
| 空对舰导弹 air-to-ship missile |
| 空对面导弹 air-to-surface missile |
| 空对面火箭 air-to-surface rocket |
| 空层 dead level |
| 空屋发出回声 The empty room echoed. |
| 空带 blanking bar |
| 空幻 visionary |
| 空幻境界 a visionary state of things |
| 空度 reciprocal of duty cycle |
| 空度比 pulse duration ratio |
| 空度计 porosimeter |
| 空座位 unoccupied seat |
| 空廓 open |
| 空当儿 interval |
| 空当子 gap |
| 空心制品 hollow article |
| 空心吃这剂药 Take this dose of medicine o... |
| 空心坝 hollow dam |
