Ephemerals
常见例句
- 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 返回 Ephemerals