中生代的

Photo Gallery: Jurassic Period An Allosaurus tramps through a Mesozoic-era forest in this artist's depiction.

一只古生异龙践踏通过一个中生代时期的森林在这方面艺术家的写照。

An Allosaurus tramps through a Mesozoic-era forest in this artist's depiction.

一个allosaurus tramps通过一个中生代时期的森林，在这个艺术家的写照。

The volcanic rocks of eastern China belong to quatz andesite ...

一、火山岩空间展布、分带及基本特征广泛发育于中国东部的中生代陆相火山岩是印支旋回以来亚洲大陆东部发展成为滨太平洋构造域的产物，总体呈北北东向展布，是环太

The main mechanism leading to the alteration in thermal structure is the magmatic underplating, thermo-mechanic erosion and chemical erosion related with raise of asthenosphere interface.

引起华北东部中生代岩石圈热结构变化的主要机制是岩浆底侵作用和与软流圈上涌有关的热-机械侵蚀和化学侵蚀。

However, it is unsubstantial for the investigation on chorology and geochemisty, and dissimilar for the research on petrogenesis and tectonic setting. Therefore, based on the isotopic chorology, petrochemistry, geochemisty and Sr, Nd, Pb isotope, the Ph.

山东地区中生代基性脉岩特别发育，这些幔源基性岩脉充填张性裂隙，是大陆地壳拉张的标志；另外，山东地区也存在大量拉张背景下的燕山期火山岩和碱性岩。

Jurassic Tectonic Revolution in China and New Interpretation of the Yanshan Movement;2. The Indo-Chinese movement and Yanshan movement were two important tectonic movements in the Mesozoic era.

中生代印支运动和燕山运动是对济阳坳陷有重大改造的2次构造运动，印支期主要发育NW向逆推断层，燕山早期则为逆断层向正断层的过渡阶段，燕山中、晚期NW向断层发生构造反转，由逆断层转换为正断层。

The gold ore deposits and prospects occur within the nearly NW-striking faults in the carbonate rocks of the cover of the Yangtze block,Proterozoic metamorphosed quartz diorite of basement of Yangtze block and Mesozoic quartz porphyry in western Shimian, Sichuan Province.

四川石棉西部地区金矿床和矿点分布在扬子地块盖层碳酸盐岩和基底元古宙变质闪长岩以及中生代石英斑岩中的北北西和北北东走向断裂中。

The characteristics of the Mesozoic volcanic rock in the Songliao Basin reflect that this basin is a backarc rift basin.

松辽盆地中生代火山岩特征反映了该盆地为弧后裂谷盆地的性质。

The metasomatic enrichments of Mesozoic mantles in the coastal Southeast China were inferred mainly by geochemical deduction, but reliable geologic evidence is lacking.

以往主要依据地球化学证据推断东南沿海中生代存在地幔富集作用，但缺乏可靠的地质学证据。

The REE distribu- tion curves of Archaeozoic metamorphic rocks,Proterozoic granite,Tertiary basalt, Mesozoic granite,granite-porphyry,rhyolite,tuff,and gold ores are of right inclinnation, which indicates they enrich LREE and have completely similar Ce negative anomaly.

研究表明：太古代变质岩、元古代花岗岩、中生代花岗岩及花岗斑岩、流纹岩和凝灰岩、第三纪玄武岩及金矿石的稀土配分曲线均为右倾斜型，即富轻稀土，都有十分相似的 Ce 负异常。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐