Having experienced the ways of field survey on the spot and eyed-interpret on image, the survey technique on soil erosion entered a new stage of using digital remote sensing imagery.

土壤侵蚀调查技术经历了人工实地填图调查、航(卫)片目视判读调查之后，目前已进入数字遥感影像调查的新阶段。

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Having experienced the ways of field survey on the spot and eyed-interpretation on optical image, the survey technique on soil erosion entered a new stage of using digital remote sensing imagery.

土壤侵蚀调查技术经历了人工实地填图调查、航(卫)片目视判读调查之后，目前已进入数字遥感影像调查的新阶段。

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This paper gives brief description of new technique and new methods applied in construction survey for headrace tunnel at Shiziping hydropower station.

阐述了狮子坪水电站引水隧洞洞内施工测量运用的新工艺和新方法。

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