This paper introduces a new concept of half - range function, on basis of which, the equption of distributed load density has been set up on the straight bar.是什么意思_This paper introduces a new concept of half - range function, on basis of which, the equption of distributed load density has been set up on the straight bar.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句