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广角
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广角
Encyclopedia
农学
野生动物中药材
释
Guangzhou rhinoceros horn
广角
非洲产黑犀或白犀的角。无论是个体数量还是单角重量,非洲这2种犀都曾经比亚洲的3种犀大得多,因此近代中药材犀角绝大部分由非洲进口,口岸则主要是广州,故特称之为“广角”(较合理的得名说法)。
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S-integrable function
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sintered-glass filter crucible
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