In China, there are many kinds of Elymus L., the protection and collection of wild resources which are used for its artificial cultivating.
我国披碱草属植物种类繁多,对于野生资源的收集保护,可以用于改良和新品种培育的重要种质材料。
According to the characteristics of large amount of data collection and exchange in the smart city, the paper focuses on the protection mechanism of access control.
根据智慧城市大量数据采集和交换的特点,重点实现访问控制的防护机制。
The digital information technology can aid the protection of tropical rain forests, from the collection, processing, analysis and application of information.
数字信息技术在热带雨林保护中的作用,集中于信息的采集、处理、分析和应用。
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