The reasonable size of twist bar diameter is gotten by theory analysis and calculation.

通过理论分析和计算，得出扭转辊试棒直径的合理尺寸。

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The correctness, pseudonym and security of the new scheme are proved by theory analysis.

理论分析证明了该方案的正确性、匿名性和安全性。

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A new siganature scheme is proposed. By theory analysis, the new scheme is developed with better security.

同时提出一种改进方案，分析表明该方案比原有方案具有更好的安全性。

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If Professor Henshaw is right, his theory would be backed by epidemiological evidence - an analysis of every childhood cancer case would show more cases than expected living in these conditions.

BBC: Battle lines drawn in pylon debate