In this paper, the Longwan volcanicgroup which locates in the southwest part of Jingyu County, Jilin Province is taken as an example for extracting volcanic landforms information.
本文以吉林省靖宇县西南部的龙湾火山群为例，进行了火山口地貌图像识别方法探讨。
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The study, which took a year and a half, included islands such as Lord Howe island east of Australia and Tristan da Cunha, a group of remote volcanic islands in the south Atlantic Ocean, among others.
这个持续了一年半的研究，包括诸如澳大利亚东部的Lord Howe岛和在大西洋南部的火山岛Tristan da Cunha岛等等。
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Produced by the Volcanic Hazards Working Group of the Civil Defence Scientific Advisory Committee.