While the use of bed nets has long been encouraged by WHO, the recent development of "long-lasting insecticidal nets" (LLINs) has dramatically improved their usefulness.
虽然世卫组织长期以来鼓励使用蚊帐，但是最近开发的“长效杀虫蚊帐”已显著提高其有效性。
Corporation since its inception, has been committed to the nets Design, development, production and marketing.
公司自成立以来，一直致力于蚊帐的设计开发，生产和销售。
The convergence of the three nets of telecommunication, television and Internet is a general trend of development.
电信、电视、互联网三网的融合是大势所趋。
The convergence of the three nets of telecommunication, television and Internet is a general trend of development.
电信、电视、互联网三网的融合是大势所趋。
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