Indexing of key words is required by sci-tech research papers. 摘要標引關(guān)鍵詞是科技論文的基本要求。
Norminalization is applied extensively in various written genres of English, especially in English scientific papers. 名詞化廣泛存在于各類(lèi)語(yǔ)篇,科技論文是使用名詞化頻率很高的語(yǔ)篇類(lèi)型。