Ephemerals

基本解釋

Ephem eris DE4 0 5 was use to determ ine the position and velocity of the moon and the sun.
本文首先建立中途脩正的模型 ,其中月球和太陽(yáng)的位置由 DE4 0 5得到。
They occur as seasonally water-filled depressions with a thin layer of soil, and are mainly inhabited by ephemerals and cryptogams.
它們出現(xiàn)在季節(jié)性雨後的低窪地帶,主要生活著短命植物和隱花植物。
Many of the herbaceous plants are ephemerals that may germinate within three days of adequate rainfall and sow their seeds within10 or15 days of germination.
很多草本植物壽命很短，充足的雨水條件下3天發(fā)芽，10到15天就結(jié)籽。
Inactivated Vaccine using French Adjuvant against Bovine Ephemer al Fever
牛流行熱病毒法國(guó)佐劑滅活疫苗的研制
ephemer
短生植物