The exhibition focuses on the latest discoveries and achievements from 20 archaeological excavation projects in Guangzhou in ...
上海美国商会与美国农业部去年合作参加了第六届中国国际进口博览会,共同组织了首个美国政府官方展台。今年,第七届进博会上,上海美国商会将再次携手美国农业部,组建美国食品与农业展团参展。
基于论文中的研究结果,研究提出了一个牡丹与芍药杂交形成伊藤杂种牡丹的遗传模型(图4):在牡丹的减数分裂过程中,由于减数分裂Ⅰ期同源染色体未能正常分离,产生了含有两套异质性染色体的2n雄配子。该配子与芍药通过正常减数分裂产生的1n雌配子结合,形成了三倍 ...
people can feel the warmth of the sun through the skylight and smell the fresh smell of the flowers and trees. It has become a place full of vitality and vitality, allowing people to find a moment of ...
The elites in the west of the big city, who have a keen sense of smell, can no longer sit still before they are officially sold in ... grass fields and ponds. It is a paradise for birds and wild ...
On September 16th, Guangzhou's Liwan District hosted its 14th edition of a traditional folk festival at Yongqing Fang in ...