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畢氏定理
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畢氏定理
bì shì dìng lǐ
任意一个直角三角形,直角旁的短边称为「勾」,长边称为「股」,对直角的斜边称为「弦」。若斜边即弦长的平方,等于勾长平方与股长平方和,即称为「毕氏定理」。此定理由希腊数学家毕达哥拉斯提出。也称为「勾股弦定理」。德Satz des PythagorasS
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high frequency discharge lamp
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high-frequency distortion finder
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High-frequency Doppler ultrasound
high frequency doubling efficiency
high frequency drier
high-frequency drier
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high frequency dryer
high-frequency dryer
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更新时间:2024/12/23 10:32:46