The system required to deliver a vaccine is called the “cold chain,” so named for the set of facilities that keep a vaccine cold as it is distributed from the manufacturer to the people who need it.
这个系统需要一种被称之为“冷藏链”的东西，之所以如此命名是因为在把它从生产厂家分发到需求者的手中这个过程中需要一系列的冷藏疫苗的设备。
The system required to deliver a vaccine is called the "cold chain," so named for the set of facilities that keep a vaccine cold as it is distributed from the manufacturer to the people who need it.
这个系统需要一种被称之为“冷藏链”的东西，之所以如此命名是因为在把它从生产厂家分发到需求者的手中这个过程中需要一系列的冷藏疫苗的设备。
Some strategies recommend as follows, At first, it is important to strengthen cold chain to management, to guarantee vaccine quality, and to improve the inoculation environment.
建议采取以下措施：加强冷链管理，保证疫苗质量，优化接种现场环境；
应用推荐