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。
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.
我之前谈过经度(longitude)和纬度(latitude),它们是用来标度连接两极的经线、以及平行于赤道的纬线的角度单位。
The other day I talked about longitude and latitude which are measured as angles around the equator and toward the poles.
国际本初子午线大会于1884年把横过英国格林尼治天文台的一条经线定为参考线,在该线上经度为零。
The Greenwich meridian was adopted in 1884 by the International meridian Conference as the line with zero degrees of longitude.
应用推荐