natural depression

英

美

un. 天然凹陷

双语例句

• A small natural depression that water drains into; a shallow gully.
  溪谷排水的天然凹陷地；浅沟。
• Among the natural gases discovered in Bozhong depression, hydrocarbon gas is dominant and non hydrocarbon gas is small.
  渤中坳陷已发现的天然气主要为烃类气体，非烃气体含量低。
• A study on the components, carbon and helium isotopic compositions of 26 gas samples indicates that there are three origins of CO2 in natural gases of Huanghua depression: organic origin, mantle-derived and magmatic origin and metamorphic origin of carbonates rocks.
  对26个样品的组分及碳、氦同位素研究表明，黄骅坳陷天然气中存在3种成因的二氧化碳：有机成因、幔源－岩浆成因和碳酸盐岩变质热分解成因。
• The resource of natural gas in Jiyang Depression is abundant. The primary factors controlling gas reservoir forming include gas source, reservoir, temperature, pressure, fault, unconformable surface, regional cap and direct cap.
  济阳坳陷天然气资源十分丰富，控制天然气成藏的地质因素主要有气源、储层、温度、压力、断层与不整合面、区域盖层和直接盖层等。
• The characteristics of late gas generation would provide the favorable hydrocarbon source for the late accumulation of natural gas in Kuqa Depression.
  烃源岩这种晚期生气特征，为库车坳陷天然气的晚期聚集成藏提供了非常有利的烃源条件。
• Prospects and countermeasure against deep natural gas exploration in West Sichuan Depression
  川西坳陷深层天然气勘探前景与对策
• Characteristics of natural gas geochemistry and accumulation in Western Sichuan Depression
  川西坳陷天然气地球化学及成藏特征
• A natural increase in stress hormones during pregnancy can trigger depression and increase the risk of a pre-term birth.
  怀孕期间应激荷尔蒙的自然增加可以导致抑郁，加大早产风险。
• Conditions of formation for reservoir characteristics and natural gas pool in Neogene system at Jiyang Depression
  济阳坳陷上第三系储层特征及天然气藏形成条件分析
• Formation and types of natural gas reservoirs of Tangyuan fault depression in Yi-Shu graben
  依&舒地堑汤原断陷天然气成藏条件及气藏类型