[[["容易理解","easyToUnderstand","thumb-up"],["確實解決了我的問題","solvedMyProblem","thumb-up"],["其他","otherUp","thumb-up"]],[["缺少我需要的資訊","missingTheInformationINeed","thumb-down"],["過於複雜/步驟過多","tooComplicatedTooManySteps","thumb-down"],["過時","outOfDate","thumb-down"],["翻譯問題","translationIssue","thumb-down"],["示例/程式碼問題","samplesCodeIssue","thumb-down"],["其他","otherDown","thumb-down"]],[],[[["The Global Land Survey (GLS) 1975 dataset provides global imagery from the Landsat Multispectral Scanner (MSS) primarily acquired by Landsat 1-3 between 1972 and 1983."],["It includes four spectral bands (Green, Red, Near Infrared, and Short-wavelength Infrared) with a resolution of 60 meters."],["Landsat datasets are public domain and can be used freely with proper citation to the U.S. Geological Survey."],["The dataset is available in Earth Engine and can be visualized using false color composites highlighting vegetation."],["Gaps in Landsat 1-3 data within the GLS 1975 collection were filled using Landsat 4-5 imagery from 1982-1987."]]],[]]