| 释义 |
double-helix 英音 [ ˌdʌbl ˈhiːlɪks ] 美音 [ ˌdʌbl ˈhiːlɪks ] 释义 双螺旋 例句 1·The structures are made from bundles of double -helix DNA strands. 这些结构是由一束束双螺旋DNA链构成。 2·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。 3·Structure for the straight screw, single screw, a warhead double -helix single screw, twin screw three. 结构为直螺旋,有弹头单螺、双头单螺、双头双螺三种。
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