Ephemerals

基本解释

Ephem eris DE4 0 5 was use to determ ine the position and velocity of the moon and the sun.
本文首先建立中途修正的模型 ,其中月球和太阳的位置由 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.
它们出现在季节性雨后的低洼地带,主要生活着短命植物和隐花植物。
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.
很多草本植物寿命很短，充足的雨水条件下3天发芽，10到15天就结籽。
Inactivated Vaccine using French Adjuvant against Bovine Ephemer al Fever
牛流行热病毒法国佐剂灭活疫苗的研制
ephemer
短生植物