对流层中层中尺度涡旋
the middle tropospheric mesoscale vortex
电离层-中层大气耦合
Ionosphere-mesosphere coupling
对流层中层相对湿度
the middle tropospheric relative humidity
内脏中胚层
visceral mesoderm
splanchnic mesoderm layer
胚外体壁中胚层
extraembryonic somatopleuric mesoderm
胚外脏壁中胚层
extraembryonic splanchnopleuric mesoderm