1. One of the most important one is its comfortlessness brought by the large temperature range during a day and the unsymmetrical radiation temperature difference.
   制约太阳能建筑发展的一个重要因素就是其昼夜温差大,室内热环境不稳定,不能提供一个长期舒适的生活空间。
2. The invention is applied to the catalytic reactions such as aromatic ketone unsymmetrical hydrogen transfer reaction and can achieve very high yield and enantiotropic selectivity.
   此发明应用于芳香酮的不对称氢转移反应等的催化反应中，可以得到很高的产率和对映选择性。

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