fossil plant造句
例句与造句
- Early tertiary fossil plants and paleoclimate of lanzhou basin
兰州盆地早第三纪植物及古气候意义 - On the third floor , modern plants and fossil plants are exhibited
三层是现代植物和化石植物的陈列。 - Guideline for cycle chemistry in fossil plants part 4 : feedwater treatment
火电厂汽水化学导则.第4部分:锅炉给水处理 - Guideline for cycle chemistry in fossil plants part 2 : phosphate treatment for drum units
火电厂汽水化学导则.第2部分:锅炉炉水磷酸盐处理 - Guideline for cycle chemistry in fossil plants part 3 : caustic treatment for drum units
火电厂汽水化学导则.第3部分:汽包锅炉炉水氢氧化钠处理 - It's difficult to find fossil plant in a sentence. 用fossil plant造句挺难的
- Indeed , fossil plants and animals have confirmed the existence of short - lived connections with the ocean
事实上，动植物的化石也证实了亚马逊河流域与海洋有短暂的连接。 - Guideline for cycle chemistry in fossil plants part 1 : guideline for feed - water oxygenated treatment of once - through boiler
火电厂汽水化学导则第1部分:直流锅炉给水加氧处理 - Devonian fossil plant considered one of the earliest forms of vascular land plants ; similar to genus rhynia but smaller
被认为是有脉管的陆地植物的最初形式之一的泥盆纪化石植物；与鹿角蕨属相似，较小。 - Sometimes the subject is divided into paleobotany , the study of fossil plants , paleozoology , the study of fossil animals , and paleoecology
有时将古生物学分为古植物学（植物化石研究） 、古动物学（动物化石研究）以及古生态学。 - The origin and evolution of land plants was an important event in the history of earth life and has affected all other lives on the earth and global environment . during the past two decade , the new discoveries of fossil plants microfossils and megafossils from the mid - ordovician through all silurian to the lower devonian improved knowledge of the origin of land plants , provided a time framework of the basal groups for the land plants and the early evolution diversity of vascular plants . three new plant based epochs have been recognized . on the other hand , molecular sequence studies have provided insights into the phylogeny and early branches of land plants . a phylogenetic tree has been established by the joint of a study of comparative morphology and gene sequences . this paper summarizes recent advances and new knowledges , comments on the phylogenetic studies based on the cladistic analysis
陆生植物的起源和演化是地球生命中的重大事件，它影响到地球上所有的其他生命和全球环境。在过去的20年中，从中奥陶世历经整个志留纪至早泥盆世的岩层中，化石植物微化石和大化石的新发现改变了人们对陆生植物起源的认识，并且为陆生植物和维管植物早期演化分异提供了基部类群分化的时间框架。据此人们识别出地史中的3个陆生植物的时代：始胚植物时代始维管植物时代和真维管植物时代。