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            Purpose To recognize the value of double helix CT in diagnosis of Chronic otitis mastoidea.目的:确定慢性化脓性中耳乳突炎的双螺旋CT扫描诊断价值.In order to represent Archimedes helix with control polygon, we construct Bernstein - like basis.为了用控... 
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            螺旋密封... 
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            The basic deformity is a lack of development of the antihelix.主要的畸形为对耳轮未发育.... 
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            antihelix的复数形式为:antihelices... 
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            antihelix的音标:antihelix的英式发音音标为:[æntɪ'hi:lɪks]antihelix的美式发音音标为:[æntɪ'hilɪks]... 
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            n.螺旋结构... 
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            helixseal的音标:helixseal的英式发音音标为:[hi:lɪk'si:l]helixseal的美式发音音标为:[hilɪk'sil]... 
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            Coil the fibre into a helix.将纤维卷绕成螺旋形。Normal, double - helix DNA is spiral, like a loosely coiled spring.正常的双螺旋DNA是螺旋形的, 像一根松松地卷曲的弹簧.The helix makes a complete turn every 3.6 residues.每个3.6个残基,螺旋正好转一圈.... 
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            helix的复数形式为:helixes... 
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            helix的音标:helix的英式发音音标为:['hi:lɪks]helix的美式发音音标为:['hilɪks]... 
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            n.对耳轮...