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一九七六年我们中队在完成大兴安岭地区毕拉河林区(167万公顷)的森林资源清查任务中,采用了带状大比例尺航空照片(比例尺约1/7,000左右)量测判读,结合地面小班实
In 1976, our squadron conducted large-scale aerial photograph (scale 1 / 7,000 or so) of aerial photographs for the purpose of completing the inventory of forest resources in the Bijau River forest area (1.67 million hectares) in the Greater Hinggan Mountains. In combination with the ground Small class real