关键在于要调优主导产业，充分发挥产业升级换代的主导作用。
The key is to optimize the leading industries and sufficiently perform the leading function of the industrial upgrade and regeneration.
一系列产业研制的不断升级换代的疫苗具有短期保护作用，但其代价是引惹流感以不可预测的方式演变。
An ever-escalating array of industry-developed vaccines confer short-term protection, but at the expense of provoking flu to evolve in unpredictable ways.
应用推荐