However , certain semantic constraints can be expressed as syntactic ones 然而,某些語義約束可以表達(dá)為語法約束。
Occurs when stored data fails to satisfy certain syntactic or semantic constraints 在已存儲的數(shù)據(jù)不能滿足某些句法或語義約束時發(fā)生。
Semantic constraints on the nouns in chinese quot; adverbs of degree noun quot; constructions 句法手段對名詞性并列結(jié)構(gòu)中語義量級的強(qiáng)制
Your document rules primarily concern nesting of elements , not semantic constraints on contents as in prose markup 您的文檔規(guī)則主要考慮元素的嵌套而不是內(nèi)容的語義約束(如同使用散文標(biāo)記) 。
No syntactic constraints are imposed on the ways in which expressions can be composed though the language does have some semantic constraints 雖然語言具有語義約束,但對于表達(dá)式的構(gòu)造方式卻沒有施加語義約束。