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座延羊齿类
释义
座延羊齿类
Encyclopedia
理学
古植物学
释
alethopterids
座延羊齿类
一类已经灭绝的种子蕨纲植物。
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equivalent points
equivalent point system
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equivalent source principle of electromagnetic field
equivalent source theorem
equivalent spaces
equivalent spring-mass model
equivalent stiffness
equivalent stochastic processes
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