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- And fivefold, threefold and twofold axes of rotational symmetry. 五重,三重和两重螺旋对称轴。
- twofold symmetry 双面对称
- Having or marked by bilateral symmetry. 左右对称的以或表现为左右对称的
- Their targets were twofold: inflation and unemployment. 他们的目标是双重的:通货膨胀与失业。
- Characterized by or consisting of two parts or components; twofold. 双重的以两部分或要素为特色的或由之组成的; 两倍的
- The radiative effect of increased cloud is twofold. 云的增加对辐射有两方面的影响。
- The quality or state of being twofold or double. 两重性具有两方面的性质或状态
- To form the parts of with balance or symmetry. 使平衡，使对称形成带有平衡或对称的各部分
- The office of a clergyman is twofold. 一个牧师的办公室有两部分。
- Her original investment has increased twofold. 她原先的投资已经增加到两倍。
- He was not insensible to her rosy symmetry. 他不可能对她那艳丽的面孔视若无睹。
- Imperialism and colonialism are a twofold evil. 帝国主义和殖民主义是双重的罪恶。
- Both are esthetic and depend much on symmetry. 两种活动都要求美感和匀称性。
- Therefore a threat carries a twofold risk. 因而威胁具有双重风险。
- Many stems and toots show radial symmetry. 很多的茎和根都是辐射对称的。
- The problem is basically twofold in nature. 这个问题基本上分为两个方面。
- Characterized by radial symmetry. 放射状对称的以放射状对称为特征的
- The price of TVs are twofold down over these years. 近几年来，电视机的价格下降了两倍。
- Her original investment had increased twofold. 她原先的投资额已增至两倍.
- The case for doing more is twofold. 广告采取更多措施有一石两鸟的作用。
