- angle of azimuth
- 方位角: angle of position; position ...
- 测绘: survey and draw; surveying a ...
- 仪器: instrument; appliance; appar ...
- 测绘仪器: i trumentofsurveyingandma ing; instrument of surveying and mapping; surveying instrument
- 测绘仪器厂: topographic meters and instruments plant
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