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1·Putting a single negation in front of it will evaluate to true, thus a double negation will evaluate to false.

如果在它前面放上一个单否定，就会被求值为真，因此放上一个双否定将被求值为假。

2·This paper discusses some special negative structures in English, such as transferred negation, double negation, implied negation, partial negation and entire negation.

本文探讨英语语言中一些特殊的否定结构，如转移否定、双重否定、隐形否定、部分否定和全体否定等。

3·In languages that have negative concord, such as Spanish, Polish and Hungarian, the double negative intensifies the negation.

在有否定和谐的语言中，比如西班牙语、波兰语和匈牙利语，这种双重否定会加重否定。

4·As a kind of marked negation, metalinguistic negation is usually marked by the double-sentence structure, consisting of a basic negative sentence plus another positive or negative sentence.

元语否定作为一种标记否定，它的标记形式一般为由本句和义句构成的复句结构式。

5·Applied the double-negation law to the analysis of artistic phenomenon.

他自觉而熟练地运用否定之否定规律分析艺术现象；