That's strange, "said Ye Shi an, 62, a fit man with a crew cut who rides his bike 20 minutes every day - not as for exercise, but as transportation to the park to exercise."

叶世安(音)说道。他62岁，体格匀称，理着平头，每天都要骑20分钟自行车——并非健身，这是他来公园晨练的交通工具。

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Zhang X. M. , C. H. Shi, J. G. Wu, G. L. Bao, S. H. Ye, T. Katsura, The relationship between essential amino acid contents of hybridized combinations and their parents.

张小明、石春海、吴建国、鲍根良、叶胜海和富田桂，杂交稻米必需氨基酸含量与亲本的关系。

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