海退概念被认为是基本的概念。
The concepts of Marine transgression and regression are considered to be fundamental.
这是晚奥陶世晚期大规模海退的结果。
This was the result from the large-scale regression in the Late Ordovician.
这种图示方法既强调了海退性质也强调了同时性。
This method of portrayal emphasizes both the regressive nature and the time equivalence.
这种图示方法既强调了海退性质也强调了同时性。
This methodofportrayal emphasizes both the regressive nature and the time equivalence.
这种席状砂岩的厚度直接取决于海退速率以及砂质供给量。
The thickness of this sheet sandstone is related directly to rate of regression and the amount of sand available.
黄河三角洲地区历经三次海侵和海退，地下水成因和赋存条件复杂。
The Yellow River Delta experienced transgression and recession three times, so the formation and distribution of groundwater was complex.
尼日尔三角洲位于大西洋几内亚湾内，是世界上最大的海退型三角洲。
The Niger Delta, located on the passive margin of the Gulf of Guinea, is the most intensively regression deltaic system.
中侏罗世至晚侏罗世早期经历了一次完整的海侵-海退旋回和一次海侵过程。
There existed a transgressive-regressive cycle and a transgressive cycle from the Middle Jurassic to the early period of Late Jurassic.
这些孢粉化石资料说明区域性植被响应气候演变、海进、海退等所发生的变化。
These fossil data indicate the changes in regional vegetation in response to climate variations and Marine transgressions and regressions.
长广煤田上二迭统龙潭含煤岩系是由海退系列和海进系列组成的一个完整沉积旋回。
The Upper Permian System Longtan coal measure in the Changguang coal deposit is a complete sedimentary cycle, consisting of a regressive and a transgressive series.
乌依塔克组为海退阶段，形成杂色泥岩、粉砂岩夹砂岩、膏泥岩的潮间-潮上带沉积。
Wuytak Fm regression phase, the formation of variegated mudstone, siltstone sandstone and mudstone of tidal cream-supratidal sedimentary.
聚煤最有利的沉积环境是海退形成的滨海平原和河流注入浅水海湾形成的三角洲平原。
The most favourable depositional environment for coal accumulation is the seashore plain formed by regression and the delta plain formed by the entering of rivers into the shallow bay.
位于河口湾—浅海相中的最大海侵面将冰后期海侵沉积旋回分为其下的海侵层序和其上的海退层序。
The maximum flooding surface lying in estuarine - shallow Marine muddy unit demarcates the underlying transgressive sequence and overlying regressive sequence.
这一事件发生的原因是由于瓜德鲁普世末期全球性海退引起的，事件持续的时间较长，相当于卡匹敦期的晚期。
It is inferred that the cause of the event was a global regression at the end of the Guadalupian, and the event continued for a long time that is equal to the late Capitanian period.
认为扎尔则油田泥盆系F4层的沉积相是海洋环境下重力流沉积形成的水下扇，从下到上为一海退—海进沉积序列。
It is considered that F4 layer is a submarine fan generated by gravity flow in marine environment, with a regressive-transgressive sequence from the lower to the upper parts.
本文提出了宜昌奥陶系沉积相是台地相—台地边缘相—浅海盆地相的多相台棚式的组合类型，指出奥陶系经历了四次海进到海退的沉积旋回过程。
In this paper, it is suggested that the Ordovician sedimentary facies in the Yichang region are a combination type consisting of platform facies, platform margin facies and shallow sea basin facies.
我们通过一架望远镜观察了停留在岩架上的一只海鹦：它在张望，思索，忽进忽退。
Through a telescope we watched the unfolding drama of a puffin on a ledge, peering over the edge, thinking better of it, retreating, advancing, retreating.
当得知刘翔因伤退赛的消息后，他在电话中向刘翔与教练孙海平表达了深切关心和鼓励。
He expressed warm regards and encouragement to Liu and his coach Sun Haiping in the telegraph, which he sent soon after learning the news of Liu's withdrawal at the National Stadium.
当得知刘翔因伤退赛的消息后，他在电话中向刘翔与教练孙海平表达了深切关心和鼓励。
He expressed warm regards and encouragement to Liu and his coach Sun Haiping in the telegraph, which he sent soon after learning the news of Liu's withdrawal at the National Stadium.
应用推荐