优艾设计网

美国海军天文台?

优艾设计网 https://www.uibq.com 2023-04-22 08:00 出处:网络 作者:PS百科
What is the role of 优艾设计网_平面设计the US Naval Observatory?u_102789717 1小时前 The US Naval Observatory plays an important ro优艾设计网_PS百科le in providing accurate time and astronomical d
What is the role of 优艾设计网_平面设计the US Naval Observatory?
u_102789717 1小时前

The US Naval Observatory plays an important ro优艾设计网_PS百科le in providing accurate time and astronomical data to the US Navy, other branches of the US military, and the general public. It is responsible for the development, maintenance, and operation of the US Naval Observatory Master Clock, which is the principal time standard for the United States. It also conducts astronomical research, provides positional data for navigation and precise timing services, and maintains the USNO Astronomical Almanac. Additionally, the Observatory serves as the official source of time for the United States and its territories.


0

精彩评论

暂无评论...
验证码 换一张
取 消