Content or semantics rules relate to the essential meaning of the terms chosen for the object name and enable meaning to be conveyed by the object name.
内容或语义规则涉及为对象名称选择的词汇的基本含义，确保对象名称能够表达出正确的含义。
According to four types of intrinsic properties of spatial objects, spatial semantics rules were designed which can accurately represent spatial objects.
根据空间对象的四类内在属性，设计出了能够准确表达空间对象的空间语义规则。
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