广州小儿综合穿刺术与叩诊检查技能训练模型-【嘉大嘉拟】，嘉大智创,拉萨消化内镜诊疗模拟教学培训系统,宿迁狗膝关节模型,山西高智能数字网络化ICU（综合）护理技能训练系统,长沙168cm成人头骨左半边肌肉着色右半边骨性色分模型带颈部肌肉模型,三门峡高级组合式基础护理人训练模型（女性）,新疆诊断性刮宫仿真模型
An Arcadia, California Chinese couple died in an apparent murder-suicide on Wednesday. [Photo Provided to China Daily]
An Alexa-powered Echo Dot controlling a Dish DVR. (Dish Photo)
An intelligent robot checks ultra-high-voltage power transmission facilities in Wuhu, Anhui province. [Photo by Wang Wen/for China Daily]
An Indonesian soldier looks at a Hindu temple damaged following an earthquake in Denpasar, Bali, Indonesia, July 16, 2019 in this photo taken by Antara Foto. [Photo/Agencies]
An mRNA vaccine carries an mRNA sequence that is coded for a viral-specific antigen. Once delivered into target cells, the antigen will be recognized by the immune system to generate responses to the virus. Compared with traditional vaccines, the development and production cycle of an mRNA vaccine is often shorter.
来源：资阳报