Letter symbols for physical quantities ; symbols to be used in meteorology and geophysics 物理量用字母符号.第2部分:气象学地球物理学用符号
2.
The hong kong observatory launches an " e - bulletin on educational resources " on its website today ( may 11 ) . the e - bulletin is aimed at providing the public and the education sector with the latest educational materials on meteorology and geophysics 香港天文台今日（五月十一日）经互联网推出《教育资源电子通讯》 ，旨在为市民及教育界提供最新气象及地球物理的教育资讯。
