During the Devonian period, insects began to exploit terrestrial environments. Flight, the exoskeleton, and metamorphosis are probably keys to insect success.
在泥盆纪时期，昆虫开始探索陆地环境。飞翔、外骨骼、和变态可能是昆虫成功的关键。
Based on sequence strati graphy work for the outcrops in tarim basin the author sets up the sealevel changes curve of sinian period to devonian period.
根据对塔里木盆地露头剖面的层序地层学研究，建立了震旦-泥盆纪古海平面变化曲线。
The strata in Devonian period of Shuangwang area was divided in detail, going by new mapping theory and method of the regional geological survey.
本文采用新的区调填图理论和方法， 详细划分了双王地区的泥盆纪地层，论述了岩相古地理特征。
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