- date of survey survey date
- 勘测: survey; reconnaissance
- 日期: date
- 勘测: survey; reconnaissance 地质勘测 geological survey; 地形勘测 topographical survey; 勘测报告 survey report; 勘测队 survey party; 勘测图 exploration map; 勘测者 cruiser
- 测日计: heliometer
- 测日仪: heliometer
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