The Mass media in nowadays such a information-intensive society, have very important function.
在当今这样一个信息社会，大众传媒有着十分重要的作用。
As everyone knows, test and the experimental technique have very important function in the research and production of the rocket weapon.
众所周知，测试及试验技术在火箭武器的研制、生产中具有举足轻重的作用。
Airport surface traffic management system can ensure the security of the traffic of the airport, improve the efficiency of the airport and throughput of airport, have very important function.
机场场面交通管理系统能够保障机场交通的安全、提高机场效率和机场吞吐量，具有非常重要的作用。
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