中层大气 meaning in Chinese

microwave scmiddle atmosphere
middle atmo here
middle atmosphere

One of these missions , a satellite called aeronomy of ice in the mesosphere , or aim , was launched in april to study so - called noctilucent clouds ( depicted above ) , the highest layer of clouds in the atmosphere
任务其一，今年4月该局发射了一颗名为“中层大气高空冰探测” （简称aim ）的卫星以研究所谓的夜光云（如上图所示）这是大气层中最高处的云层。
The co , water vapor , ch4 and other minor gases have been measured in beijing since 1996 by lageo , institute of atmospheric physics , chinese academy of sciences , using an infrared grating spectrometer of moderate resolution . the observation site locates on the roof of the building of the institute of atmospheric physics located in the right north between the 3rd and 4th circles . the co and water vapor column contents have been measured during autumn since 1996 , summers of 1997 and 1999 , and through 2003 , and ch4 column content for autumns of 1996 , 1998 , 2001 and 2002
自1996年以来，中国科学院大气物理研究所中层大气与遥感研究部利用中分辨率红外光谱仪系统，在北京市区北三环和北四环中路之间的中国科学院大气物理研究所主楼楼顶进行了co 、水汽和ch _ 4等大气微量气体柱总量的观测，获得每年秋季( 10 、 11月) ， 1997 、 1999年夏季和2003年一整年的co和水汽的资料： 1996 、 1998 、 2001和2002年秋季ch _ 4的资料。