陕西蜜蜂解剖模型-【嘉大嘉拟】,嘉大智创,威海仿古针灸铜人,兰州上肢骨附肌肉起止点着色模型,广东高级婴儿动脉注射模型,内蒙古2节腰椎尾骶椎与脊神经附骨盆,银川枕骨脊柱和脊神经解剖模型,北京细胞有丝减数分裂模型(9部件)

BEIJING, April 27 (Xinhua) -- Chinese authorities Monday urged the safe and orderly opening of tourist sites across the country amid the COVID-19 epidemic during the upcoming five-day May Day holiday.
In front of the camera, Feng talked about his graduation project "Ultrasonic Ranging and Reversing System" and displayed the slides on the screen with explanations.

As of Saturday, there were still 801 COVID-19 patients being treated on the Chinese mainland, including 51 in severe condition.
As the spring weather is getting more and more pleasant, consumers' desire for dining out and travel is growing. According to a survey report jointly released by the China Travel Academy and Trip.com Group on March 19, Chinese are longing for tours across the country, with Yunnan, Hainan and Shanghai among the top destinations.
The Chinese experts and equipment arrived two days after the number of confirmed COVID-19 cases in Italy topped 10,000.
来源:资阳报