北斗三號：中國“智”造 服務全球
6月23日，中國北斗三號衛星導航系統最後一顆組網衛星在西昌衛星發射中心成功發射。這顆“收官之星”，意味著北斗三號星座部署全面完成。
On June 23, the last networking satellite of China's BeiDou-3 Navigation Satellite System was successfully launched from Xichang Satellite Launch Center. This “final satellite” means that the deployment of BeiDou-3 has been completed in an all-round way.
20多年來，整個北斗系統經歷了三步走階段：
In the past 20 years, the BeiDou Navigation Satellite System (BDS) has completed three stages:
第一階段，2000年，建成北斗一號系統，向中國提供服務；
In 2000, in its first stage, BeiDou-1 Navigation Satellite System was built to provide services to China;
第二階段，2012年，建成北斗二號系統，向亞太地區提供服務；
In 2012, in its second stage, BeiDou-2 Navigation Satellite System was built to provide services to the Asia Pacific region;
第三階段，到2020年，完成30顆衛星發射組網，全面建成北斗三號系統，向全球提供服務。
In its third phase in 2020, 30 satellites are launched and the satellite network will be completed, and BeiDou-3 Navigation Satellite System will be fully equipped to provide services to the world.
作為中國自主建設、獨立運作的全球衛星導航系統，北斗衛星導航系統（BDS）與美國的GPS、俄羅斯的GLONASS、歐盟的GALILEO並稱為全球四大衛星導航系統。而與這其他幾個衛星導航系統相比，北斗三號還有不少優點，例如高軌衛星更多，因此抗遮擋能力強，尤其在低緯度地區性能特點更為明顯。
As a global satellite navigation system independently built and operated by China, BDS, GPS of the United States, GLONASS of Russia and Galileo of the European Union are called the four major global satellite navigation systems. Compared with these other satellite navigation systems, BDS has many advantages, such as more high orbit satellites, which gives it a strong anti-blocking ability, especially in low latitude areas.
配合北斗地基增強系統，北斗三號系統可以在覆蓋範圍內實現米級、分米級、釐米級的高精度服務。當定位精度達到釐米級時，不僅能服務汽車導航和自動駕駛，還有助於無人機送貨，應用領域進一步拓寬。
With the BeiDou Ground-based Augmentation System, BeiDou-3 Navigation Satellite System can achieve high-precision service at meter level, decimeter level and centimeter level within its coverage area. When the positioning accuracy reaches centimeter level, it can not only serve vehicle navigation and automatic driving, but also help UAV delivery and further expand the application field.
未來，北斗導航系統在以農業、交通運輸為代表的重點領域中將會得到大力推廣，包括精準農業、高精度測繪、智慧城市、5G基站授時等。
In the future, BDS will be vigorously promoted in key fields such as agriculture and transportation, including precision agriculture, high-precision mapping, smart city, 5G base station timing service, etc.
例如在農業方面，基於北斗的農機作業監管平臺可實現農機遠端管理與精準作業，農業機械無人駕駛等應用對高精度北斗服務需求強烈；在救災減災方面，基於北斗系統的導航、定位、短報文通信功能，可以顯著提高災害應急救援的快速反應能力和決策能力。
For example, in the aspect of agriculture, the agricultural machinery operation supervision platform based on BDS can realize the remote management and precise operation of agricultural machinery, and the application of agricultural machinery such as unmanned driving could generate a strong demand for high-precision BDS service; in the aspect of disaster relief and disaster mitigation, the navigation, positioning and short message communication functions based on BDS can significantly improve the quick response ability and decision-making ability in disaster rescue operations.
現在，無論在世界任何角落，北斗三號都會向你提供高精度、高可靠、高保險、多功能的服務。北斗三號作為中國“智”造，將服務全球，造福人類。
Now, BeiDou-3 Navigation Satellite System will provide high-precision, high reliability, high insurance and multi-functional services in any corner of the world. The development of the ‘smart’ BeiDou-3 Navigation Satellite System will serve the world and benefit mankind.
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