这一技术能够提高疫苗在室温下的稳定性，而且可操作性高，最终将能为世界各国提供更为实用的疫苗研发方法和接种方法。
Its greater stability at room temperature and viability ultimately could provide a more practical approach for creating and delivering a vaccine throughout the world.
而且总则的规定大多比较原则和抽象，缺乏具体的实用性和可操作性。
General provisions and principles and is mostly abstract, the lack of specific practical and operable.
文章在分析了前人关于言语交际原则的基础上，认为作为言语交际理论的原则应是简单、稳固、相对客观的，而且是实用、可操作的。
On the basis of preceding research on speech communication principles, this paper holds that these principles should be simple, stable, relative objective, practical and operative.
文章在分析了前人关于言语交际原则的基础上，认为作为言语交际理论的原则应是简单、稳固、相对客观的，而且是实用、可操作的。
On the basis of preceding research on speech communication principles, this paper holds that these principles should be simple, stable, relative objective, practical and operative.
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