[[["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"]],["最后更新时间 (UTC):2025-08-06。"],[[["`union()` merges all geometries within a FeatureCollection into a single geometry, returning a new FeatureCollection containing one feature with an ID of 'union_result'."],["The resulting FeatureCollection from `union()` will only have the merged geometry and an ID, discarding any original properties from the input features."],["An optional `maxError` argument can be used to specify the maximum allowed error for reprojection during the merge process."]]],[]]