“ceratopsian”的概念、定义、翻译、参考文献-科学参考

单词	ceratopsian
释义	ceratopsian Encyclopedia 理学爬行纲（化石）释 ceratopsian角龙类包含粗糙三角龙（Triceratops horridus），而不包含怀俄明肿头龙（Pachycephalosaurus wyomingensis）的最大包容分支。肿头龙类的姐妹群，两者共同构成了边头类。
随便看	negative resistance negative resistance amplifier negative-resistance device negative-resistance oscillator negative response negative result negative root negative rotation negative selection negative semi-definite negative semi-definite form 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

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