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ʱ315Ϣ ֵ۲վչһƬչʾ˼ô(Fraser River)¸绪뺣ľ

ôӷԴɽڸױɽ򱱣;йЮ˴ɳڵ˹ڶ(Quesnel)ʱѾ˺ɫ򺣰ʱһЩƽ̹ĵطټչ뺣֮ǰһվ¸绪У֮ƽ

ƬԴ5(Landsat 5)ϵרͼ(Thematic Mapper)µģʱΪ201197գʾ˸¸绪뺣ľ¸绪УһЩ״ӵͨ뺣ſա

ӷḻɳ¸绪γԵľǺϿ(Strait of Georgia)һֱ쵽Ͷ˹(Valdes Island)ʵϣÿ̫ƽɳ20֣Щɳ뺣֮ǰų

ŢĺŸӡĻڸӵ뺣ڣˮ뺣ˮһȻתˮʹɳӰ죬ֻˮҲųˮȾá

ӵķḻԴ˹ﶨӵĿԡ﷢ĹһľסҲ׷ݵ16,000ǰͬδӣܵ׳溦ļв׳ɴľӶºˮůв档


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