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能取回的

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A relation can be tought of as a set of tuples in the relational model, and of course a set never contains two identical query language is able to distinguish rows only in terms of their column values (RULE 2), this is another way of saying that there must be a way of distinguishing any single row from all others in terms of there values, so that a query language statement can retrieve it uniquely.

就可以了教育工作作为一套元组在关系模型、当然,从来一套包含两个相同查询语言能分辨整齐仅在其价值观栏(规则2),这是另一种说法,必须有一个单一的鉴别方法等各行在价值观上,形成了独特的查询语言陈述可以取回它。

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In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是,在否定句或疑问句里,这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷

Nusa lembongan : Bali's sister island, coral and sand beaches, crystal clear water, surfing.

Nusa Dua :豪华度假村,冲浪和潜水,沙滩,水晶般晶莹剔透的水,网络冲浪。