plant bed是什么意思

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用法例句

Discovery of new plant fossil Manica in Xiajiang, Jiangxi province and its significance;

江西峡江马埠地区Manica植物化石的发现及其意义

According to the plant fossil and sporopollen analysis , it should be Upper Carboniferous or Lower Triassic,it offers factual data for the bound of coal-bearing stratum in North China.

经采集植物化石和孢粉样进行鉴定、分析 ,初步确定该含煤地层时代为晚古生代晚石炭世～早二叠世沉积 ,为华北晚古生代含煤地层沉积边界的厘定提供了可靠依据。

Two species of plant fossils,Ctenzamites sarrani Zeiller and Eboracia lobifolia (Phillips) found from the Upper Xiangxi Formation in Zigui County of Hubei Province,are described.

描述了发现于鄂西香溪组的两种植物化石CtenozamitessarraniZeiller和Eboracialobifolia(Phillips)。

Palaeoclimatic implications of main fossil plants of the Mesozoic;

中生代主要植物化石的古气候指示意义

There are 9 species of 6 genera of fossil plants and 22 species of 15 genera of sporopollens, the age of the flora being affirmed as Namurian Period, which is later than the Period (Visean to Namurian A) in the Taizihe river valley of eastern Liaoning.

研究了发现于辽南金州地区本溪组下部的植物化石 6属 9种及孢粉化石 15属 2 2种 ,确认其时代为纳缪尔A期 ,较辽东太子河流域本溪组下部发现的植物 (孢粉 )化石的发育时代 (维宪期至纳缪尔 A期 )略晚。

Yixian Formation Palaeobotanic Fossil Strata Including Birds and Palaeoecological Relation Between Aves and Palaeobotany of Western Liaoning

辽西义县组含鸟古植物化石层及鸟类与古植物生态关系

biostratigraphy of fossil plants

植物化石生物地层学

carbonized vegetable matter deposited in the Carboniferous period.

在石炭层沉淀的碳化的植物物质。

fossil botany

古植物学, 植物化石学

Research on Cuticles of Five Fossil Plants from Pliocene in Tengchong of Yunnan;

云南腾冲上新世五种植物化石角质层研究

fossil gymnospermous plants of the Carboniferous.

石炭纪的裸子植物化石。

the study of fossil plants.

研究植物化石的学科。

ON THE DISCOVERY OF A QUERCUS SEMICARPIFOLIA BED IN MOUNT SHISHA PANGMA AND ITS SIGNIFICANCE IN BOTANY AND GEOLOGY

希夏邦马峰高山栎化石层的发现及其在植物学和地质学上的意义

A NEW FINDING OF MICROPALEONTOLOGIC PLANT OF SILURIAN AND ITS STRATIGRAPHICAL SIGNIFICANCE IN MEIHUASHAN, FANG COUNTY, HUBEI

湖北房县梅花山志留系微体植物化石新发现及地层意义

He collected rocks, plants, animals and fossils,

他搜集岩石、植物、动物和化石，

Content of Huperzine A in 23 Species from Chinese Herbal Medicine Qiancengta

千层塔的23种原植物中石杉碱甲含量

a family of fossil gymnospermous plants of the Carboniferous.

石炭纪裸子植物化石的一科。

genus of Carboniferous fossil ferns.

石炭纪的一个蕨类植物化石属。

Synthesize B-Doped Diamond Using Graphite Intercalation Compounds;

利用石墨层间化合物合成含硼金刚石

Coal is carbonized and lithifyied vegetation.

煤由植物碳化及石化所成。

The branch of paleontology that deals with plant fossils and ancient vegetation.

史前植物学古生物学的分支，研究植物化石以及古代植被

On the Division of Series in Carboniferous System of China from the Point of Palaeobotanical View

从古植物群的演替论我国石炭纪地层统的划分

ON THE DISCOVERY OF EARLY CARBONIFEROUS FLORA FROM SHANYANG, S. SHANXI AND ITS STRATIGRAPHIC SIGNIFICANCE

陕南山阳早石炭世植物群之发现及其地层意义