Warning: file_put_contents(/www/wwwroot/ppbbu/laei.cn/cache/d1b35bac480f3ca28bc1fbac638b3ab9.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/laei.cn/index.php on line 58 line standard of length是什么意思，line standard of length的翻译，line standard of length音标、读音、用法和例句_按摩法牛津词典
Niumu spectrum to the standard line, with signs that the level of sound, but does not show the length of the value of the sound. 纽姆谱以横线为标准，用符号表示音的高低，但不显示音值长短。 wlb200915.blog.163.com