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汉语拼音：wā xiàn

凹陷（多指地面）：路面～。颧骨隆起，两眼～。

1. 凹陷。

   清 钱泳 《履园丛话·陵墓·忠懿王墓》：“其壙旁隆中洼陷，颇似发掘遭赤眉。” 郭沫若 《一只手》三：“说着那老人已经感觉着他那洼陷着的眼眶里面，涌出了滚热的泉水出来。”

• Menggangji sag is a region least explored in Dongpu depression.

  孟岗集洼陷是东濮凹陷内勘探程度最低的地区.

• Linyi sag is a subsidiary negative structure element in Jiyang depression.

  临邑洼陷是济阳坳陷惠民凹陷的次级负向构造单元.

• Lithologic oil - gas reservoirs is main reservoir characteristic of Sha No.

  渤南洼陷沙四段以发育岩性油藏为主,寻找有利砂体是关键.

• The ground dips here.

  这儿的地面洼陷了.

• The formation temperature controls the physiological activity of the microbe and the production of the methane.

  分析了地层温度、咸化环境和还原环境等因素对阳信洼陷沙一段生物气生成、聚集和保存的控制作用.

• Many serious turbidite sand bodies and huge thick dead color mudstone are developed in the depression.

  洼陷内在沙三段发育有多套浊积砂体和巨厚暗色泥岩,油气成藏条件十分优越.