[[["易于理解","easyToUnderstand","thumb-up"],["解决了我的问题","solvedMyProblem","thumb-up"],["其他","otherUp","thumb-up"]],[["没有我需要的信息","missingTheInformationINeed","thumb-down"],["太复杂/步骤太多","tooComplicatedTooManySteps","thumb-down"],["内容需要更新","outOfDate","thumb-down"],["翻译问题","translationIssue","thumb-down"],["示例/代码问题","samplesCodeIssue","thumb-down"],["其他","otherDown","thumb-down"]],[],[],["The Landsat 4 TM dataset, available from 1982-08-13 to 1993-11-17, provides 32-day composites of Tier 1 orthorectified scenes, computed using top-of-atmosphere (TOA) reflectance. Composites are generated by combining all scenes within each 32-day period, with the most recent pixel values used. The dataset includes seven spectral bands (blue to shortwave infrared) and a quality assessment bitmask. Data is free for research, education, and nonprofit use.\n"]]