探测 tàncè to probe
to probe; to survey
How to remember 探测: 探 to find + 测 to survey = to probe.
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How it is used
- To probe or detect with instruments - 探测海底 (tàncè hǎidǐ) survey the seabed; 探测器 (tàncèqì) a probe/detector.
- Technical: using tools to measure or sense what can't be seen directly - depths, radiation, planets, mineral deposits.