观测 guāncè to observe
to observe; to survey; observation (scientific etc)
How to remember 观测: 观 observe + 测 to survey = to observe.
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How it is used
- To observe and measure scientifically - 天文观测 (tiānwén guāncè) astronomical observation; 观测数据 (guāncè shùjù) observation data.
- Technical register: monitoring with instruments (weather, stars, phenomena), the 测 adding measurement.
- Distinct from 观察 (guānchá, general careful observation): 观测 is instrument-based scientific measurement.