geologic time

Hence it is considered that a galactic year can be based on to institute an ideal geologic time scale in which a galactic year is an era.

银河年是建立理想地质年代表的基础，每一个银河年就是一个代。

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A hiatus is the total interval of geologic time.

一个沉积间断是地质时间的总间隔.

词典精选例句

Effects of time-variation of geomorphologic and geologic factors on soil erosion

下垫面因素对产沙时变影响分析

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Analyzing the fluid flow rules in researched region in geologic time, the migration, accumulation, remigration and reaccumulation of hydrocarbon are realized, evaluating the favourable accumulation zones and its characteristics finally.

通过分析研究区地质历史时期内的流体运动规律，了解油气运移、聚集及随后的再运移、再聚集，最后评价出油气的有利聚集区及其聚集特征。

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Observation time window and area in transient electromagnetic field method for coalfield hydro-geologic exploration

煤田水文地质勘探中瞬变电磁法的观测时窗和观测区域

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Most faults produce repeated displacements over geologic time.

大多数断层在整个地质时期反复发生断层位移.

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Time-temperature-transformation diagram The rate of TSR in geologic settings is limited by temperature and activation energy.

时（间）温（度）变化图地质条件下热化学还原反应的速率受温度和活化能的制约。

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Geologic time unit, rock stratigraphic units and time stratigraphic unit.

地质年代单位 、 岩石地层单位、年代地层单位.

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You can't discuss climate change, Prof. Laughlin says, without looking backward across geologic time.

劳克林说, 在讨论气候变化问题时, 必须对比过去地质时期的情况.

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The time section made by mathematically simulating a geologic model offered from drilling data conforms better with factual data.

根据钻井资料提供的地质模型，用数学方法进行模拟，所得的时间剖面和实际资料有较好的吻合。

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although rare on human timescales, over geologic time earthquakes are frequent in the area.

影响地质时期的大地震虽然在人类的历史中非常罕见，但该地区地震活动自古以来就非常频繁。

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as he explains, the geologic time scale is largely based on the stratigraphic record.

他解释说，地质时间尺度很大程度上基于对地层的记录。

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Weather may change on a daily basis, but climate changes over geologic time.

一天中天气可能就会变化，但是气候变化是在很长的地质时期进行的。

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According to the recent astronomic observations, qualitative change evolution of organisms and global glacial stage data, the appropriate time interval of a galactic year should be 260 Ma, based on which a new geologic time scale is put forward in this paper.

依目前天文观测及全球生物质变进化和冰期资料来看，银河年时距以260Ma为宜。本文据此提出了一个新的地质年代表。

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