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| Chinese | English |
| 初步观测调查 | rough survey |
| 微观测量 | micrometric measurement |
| 系统列观测法 | method by series |
| 色度观测仪 | chromaticity meter |
| 观测到的 | observed |
| 观测孔 | eyehole |
| 观测目视控制操纵 | visual control |
| 观测察装置 | vision arrangement |
| 运量观测 | traffic survey |
| 频闪观测器灯 | stroboscope |
| 频闪观测器stroboscope,如用于发动机点火正时 | strobe |
| 频闪观测动态点火正时 | stroboscopic ignition timing |