spring equinox

n.

春分；

Spring equinox
spring equinox
Spring Equinox
Dissipation of Titan's north polar cloud at northern spring equinox
UM-TH-99-02 hep-ph/9903468 Spring Equinox, 1999 WIMP Velocity Impact on Direct Dark Matter Searches
The tropospheric ozone production about the Spring Equinox (TOPSE) Experiment: Introduction
Diurnal rhythm of plasma melatonin level in mares from spring equinox to summer solstice.
Mars mesospheric zonal wind around northern spring equinox from infrared heterodyne observations of CO 2
Comparison of Nm E measured by the boulder ionosonde with model predictions near the spring equinox
Measurements of OH, H2SO4, and MSA during Tropospheric Ozone Production About the Spring Equinox (TOPSE)
Mesospheric gravity wave characteristics and identification of their sources around spring equinox over Indian low latitudes
Vertical cloud structure of Uranus from UKIRT/UIST observations and changes seen during Northern Spring Equinox in 2007
Vertical cloud structure of Uranus from UKIRT/UIST observations and changes seen during Uranus’ northern spring equinox from 2006 t...