喜讯传到兰考，全县人民都欢欣鼓舞。
When the good news reached Lankao, the whole country rejoiced.
赴瑞士、丹麦、芬兰考察团。
报道了兰考泡桐和杂交泡桐叶的营养成分，并与其它树种进行比较；
The nutritive components contained in young and mature leaves of Paulownia elongata and hybrid were determined and compared with other tree species.
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