Warning: file_put_contents(/www/wwwroot/ppbbbu/n94.cn/cache/4b5223ebb5da7214adc6a49cc0f01927.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbbu/n94.cn/index.php on line 55 textual functions and features是什么意思，textual functions and features的翻译，textual functions and features音标、读音、用法和例句_94生活常识网有道词典
Technical abstracts have their own features in terms of communicative functions, linguistic patterns and textual structures. 科技文摘，在语篇结构、文体风格、社会功能等方面具有特定的体裁特征。