SDOs support object syntax and associative array syntax, so the properties could have been set with object syntax.
SDO支持对象语法和关联数组语法，因此属性可以通过对象语法设置。
Map: a map is an associative array from a set of object keys to a collection of object values.
map型：map是一个从一组键值对象到一组值对象的关联数组。
The set of associative implications constituting the general sense of a word in addition to its literal sense.
（指陈述或者问题）充满引人联想的意义而且经常意味着误导或者施加影响。
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