This article mainly introduces the development status of the GNSS component of GPS, GALILEO, GLONASS, Beidou satellite navigation system, as well as GNSS in modern surveying and mapping, traffic, public security and rescue and other fields of modern agriculture use, through the introduction of GNSS application in various fields, we can see that, application of GNSS can bring the huge change give life or production. Application of GNSS industry with high technology, high investment, high added value, high growth characteristics, along with the GNSS technology to the civil open, an important part of GNSS communication, the Internet will become the information industry third new growth points and overall national strength. Through the plan and Prospect of GNSS in agricultural production in China, the application of GNSS will be for the development of China's agriculture and social economy a huge boost.% 文章主要介绍了GNSS的组成部分GPS、GALILEO、GLONASS、北斗卫星导航系统的发展现状，以及GNSS在现代测绘、交通、公共安全和救援和现代农业各领域的运用，通过介绍GNSS在各个领域的应用我们可以看出，应用GNSS可以给生活或者生产带来巨大的改变。GNSS应用产业具有高技术、高投入、高附加值、高成长性的特点，随着GNSS技术向民用的开放，GNSS必将成为继通信、互联网之后的信息产业第三个新的增长点和国家综合国力的重要组成部分。通过对我国GNSS农业生产的计划和展望，应用GNSS必定会为我国的农业发展以及社会经济的发展带来巨大的推动作用。
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