查询词典 guide fossil

In 2002, the government tightened its cultural-relics law to ban private fossil-trading, drying up both legal and black-market trade.

在2002年，政府加强完善了文化，文物法律，禁止私人化石交易和黑市交易。

Fossil big blackfish.

大黑鱼化石。

Why you poor blundering old fossil, you have had all your trouble for nothing.

你一直是在自己身体的复制品周围装神弄鬼。

Different kinds of fossil brachiopod shells have different preservation.

6地质历史时期不同类别腕足化石壳体的保存程度可能不同。

This discovery has provided a good criterion for studying the original carbon and oxygen isotopes of seawater by using the brachiopod shell fossil.

这一发现为利用腕足化石研究海水原始碳氧同位素提供了有力的判据。

Carbonate ; Oxygen isotope ; Carbon isotope ; Fossil brachiopod ; Early diagenetic cement.

碳酸盐岩；氧同位素；碳同位素；腕足化石；早期成岩胶结物

A lot of brachiopod and mollusk fossils,including 12 species of 8 genera of brachiopod,14 species of 8 genera of bivalve and 5 species of 4 genera of gasteropod,are collected from the marl and mudstone situated on the bottom of Benxi Formation in Liujiang basin.The mollusk fossils are directly preserved in the upper part or facies change bed of brachiopod fossil bed.Up to now, the materials is firstly reported,especially the mollusk.

柳江盆地本溪组底部泥灰岩及相邻泥岩中产有丰富的腕足动物、软体动物化石，经鉴定有腕足动物10属12种，双壳类8属14种和腹足类4属5种，软体动物保存于含腕足动物层的相变岩层或直接位于其上层，到目前为止，这一丰富材料尚属首次综合报道。

Different secondary layers of fossil brachiopod shells have different preservation and the way by which the shells' primary isotope ratios be influenced by diagenesis: postdepositional alternation of δ〓O、δ〓C has no effect on the low-Mg calcite minerals of the shells, while it alters the whole shell's isotopic compositions by microcrack fillings, even with the well preserved shells.

1成岩后生作用对腕足化石壳体不同结构单元的改造方式及改造程度不同：成岩后生作用对保存较好的腕足化石壳体的改造是以微裂隙充填方式进行，而对低镁方解石本身并没有影响。

We infer that the bryophyte-like fossil could be the ancestor of bryophyte. The discovery provides a new lead for further study on the origin and evolution of bryophyte or land plant.

推测它是藓类植物祖先，它为进一步研究藓类植物和陆生高等植物的起源和演化提供了新的线索。

In anatomy he studied the circulation of the blood and the action of the eye. He made discoveries in meteorology and geology, learned the effect of the moon on the tides, foreshadowed modern conceptions of continent formation, and surmised the nature of fossil shells. His scheme for the canalization of rivers still has practical value and he probably devised the hydrometer.

解剖学方面，他对血液循环和眼有着较深入的研究；气象学和地理学方面，它也表现出了卓越的才华：他认为海洋的潮汐形成与月球的运动密切相关；他提出的陆地形成观念与现代理论颇为相似；他还还对化石的形成和成分进行了有根据的猜测；他设计并亲自主持修建的运河灌溉工程时至今日仍然有实际的应用价值，而在此过程中他可能设计出了液体比重计的雏形。

This paper designs the communication system of radio telescope FAST.

针对500m口径球面射电望远镜FAST分布式控制系统的特点完成了其通信系统的设计。

Political sheep's step-by-step a large number of fossils unearthed in the county soil Ma Ali after rural village in the middle of sallow pelitic siltstone.

步氏和政羊化石大量出土于广河县阿力麻土乡后山村，产于灰黄色泥质粉砂岩中。