"It will signal a dramatic shift to a cleaner, more sustainable method of providing frequency regulation on the grid," Beacon CEO Bill Capp told the GridWeek conference in Washington last week.
To modern time measure, people divide the surface of the earth into 24 time zones according to longitude lines. This method was established by the International longitude Conference in 1884.
到了近代，将地球表面按经线等分为24个时区，这是由1884年国际经度会议制定的。
3
Taking the slope engineering of Wuhan Conference and Exhibition Center for Science and Technology as an example, the mechanism and design method of soil nailing are presented.