释义 |
geologic time dʒiəˈlɔdʒiktaim 短语¹²²⁷³ 基本英英近义反义例句例句 地质时期
Noun: the time of the physical formation and development of the earth especially prior to human history近义词 geological time地质时代 The quaternary period ofgeologic timeextends from the end of the tertiary period to the present.地质时期中的第四纪是从第三纪一直到现在。 Although magnetic reversals have occurred many times in the geologic past, it is not yet possible to predict when the next reversal will occur.尽管在过去地质时期地磁场发生了多次倒转,但要预测下次倒转将在何时发生也还是不可能的。 A hydrocarbon deposit, such as petroleum, coal, or natural gas, derived from living matter of a previous geologic time and used for fuel. 碳氢化合物的沉淀,如石油、煤、天然气等,由古代生物衍生而成,经过开发后用作燃料。 poptool The boundary faults are also poorly closed, and the sealing ability of the internal faults of the basin gradually increased through geologic time. 边界断层封闭性差,盆地内部断层封闭性从古至今逐渐变好。 cnki In fact, only18, 000 years agoa blink of an eye in geologic time, twice this amount of ice covered the northwest of North America. 事实上在18000年前,两倍于现在的南极的冰覆盖了北美的西北部。 yeeyan |