增加只获取部门下的三维实景

‘liusuyi’

2023-06-17 fc993472ae3b57e5b00f6a4e4e3277ec48df0baa

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var toLength = require('../internals/to-length');
 
// `LengthOfArrayLike` abstract operation
// https://tc39.es/ecma262/#sec-lengthofarraylike
module.exports = function (obj) {
  return toLength(obj.length);
};