这位是新加坡立伟小学的校长杨亚地先生！大家掌声欢迎！
This is Mr. Yang Yadi, the headmaster of Liwei Primary School. Let's welcome him!
扬立伟的领导将他描述为一个勤劳刻苦、总是能够自控的人。
Yang was described by his commanders as hard working and always in control of himself.
胡伟立，陈仕艳，王华平细菌纤维素模板合成研究进展。
Hu W. -l., Chen S. -y., Wang H. -p. Template synthesis based on bacterial cellulose.
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