Mr Zhang Songnian once translated an essay by Bertrand Russell.从前张崧年先生译过一篇罗素的论文.God, what a swine Bertrand is.我的老天, 伯特兰德简直讨厌死了.If Bertrand were still suspicious, he might worm the story out of her by emotional pressure.伯...
God, what a swine Bertrand is.我的老天, 伯特兰德简直讨厌死了.The transmission of normal circular - arc gear is a typical Bertrand conjugation.考虑到平行轴的法向圆弧齿轮传动已臻成熟,论文重点研究了相交轴与交错轴条件下法向圆弧齿轮传动的基本方案.Mr Zhang Songnian once translated an essa...