[[["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"]],[],[],["Landsat 3 MSS data is categorized into two tiers: Tier 1 and Tier 2. Tier 1 comprises scenes with the highest data quality, suitable for time-series analysis, and includes Level-1 Precision Terrain processed data. Tier 2 includes scenes not meeting Tier 1 standards, incorporating Systematic terrain and Systematic processed scenes. Both tiers provide DN values that represent scaled, calibrated at-sensor radiance, with a global presence.\n"]]