“upturned roof-ridge”的概念、定义、翻译、参考文献-科学参考

单词	upturned roof-ridge
释义	upturned roof-ridge Encyclopedia 工学〔木结构〕释 upturned roof-ridge翼角中国古代建筑屋檐的转角部分。因其向上翘起，舒展如鸟翼而得名。主要用在屋顶相邻两坡屋檐之间。
随便看	negative semi-definite kernel negative semi definite matrix negative semi-definite matrix negative semi-definite operator negative semi definite quadratic form negative semi-definite quadratic form negative semi-definte quadratic form negative semi-orbit negative semi-trough negative sense single-stranded RNA virus negative sequence negative sequence current carrying capability negative side negative sign negative skewness negative skin friction of piles negative spinor negative stable matrix negative staining negative strand negative stress negative subspace negative supercoiling negative surface energy negative system of roots

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