fossil pteridophytes是什么意思

用法例句

"Silicified" can't be called "woodened","fossil" can't be called "fossil jade"——a discuss on the name of "tree fossil jade";

“硅化”不是“树化”“化石”不能称“化玉”——对“树化玉”名词的商榷

Fossil Baboon found in Yunnan, China;

在中国云南发现狒狒化石(英文)

The fossil record and phytogeographic history of Rhizophoraceae;

红树科植物的化石记录及植物地理史

Early-Pleistocene carnivore fossils from Zhen′an,Shaanxi,China;

陕西镇安早更新世的肉食类动物化石

In this paper,according to the study of the achievments of palacontology and modern evolution,the theory about the inside indistinction in the relation of fossils and evolution.

根据现代生物进化论和古生物学成就,就化石与生物进化关系的内在模糊性予以论述。

Excavation and gathering of fossils on field are the elements in paleontologic investigation, the unearthed processes of various vertebrate fossils are recommended and then these general procedures, technical essentials, instrumentation, personnel organization and awareness proceeding of this work are expounded in this article.

化石的野外发掘和采集是古生物研究的基础,本文通过对各种类型脊椎动物化石挖掘过程的介绍,详细讲述了这项工作的一般步骤、技术要点、器材设备、人员组织以及注意事项。

The varieties, properties and applications of the series of halogenated paraffins were summarized.

综述了卤化石蜡系列阻燃剂的品种、性能和用途。