多旋回

This sedimentary basin, with repeated cycles of arenaceous, argillaceous and carbonate rocks was developed in the margin of the Eastern Ghat mobile belt.

该盆地发育于Chat活动带东部边缘，并发育沙质、粘土质和碳酸盐岩的多期重复沉积旋回。

But as I struggled to explain concepts such as, say, the albedo effect, chlorofluorocarbons and the Milankovitch cycles, I was forever troubled by a central question: what is the right age to tell a child about climate change?

但是，当我绞尽脑汁地解释诸如阿比多效应，氟氯碳，以及米兰柯维奇旋回等概念的时候，有一个问题却使我困扰不已：在孩子多大的时候告诉他们关于气候变化的问题合适？

In order to improve the accurate of measurement, the artifacts, such as eddy current, thermal convection, background gradient must be considered both experimentally and methodologically.

我们把多自旋回波和双向梯度场技术相结合，用来抑制这些干扰，并在生物样品的自扩散系数测定中的进行了应用。

The evolution of the Youjiang basin in the Triassic shows that it is not a "regenerated geosyncline" as thought in traditional view, but constitutes a complete Wilson- Cycle with its earlier development in the late Palaeozoic.

4认为三叠纪右江盆地不是传统观点所说的"再生地槽"，而是与晚古生代一起共同构成一个完整的威尔逊旋回—处于晚古生代多岛洋体系格局的最终封闭阶段。

The important features of superimposed basins in China are interfracture emplacement and intermountain emplacement.

缝间就位和山间就位是我国叠合盆地的重要特点，反映了盆地经历了多期次的伸展裂解、俯冲消减、碰撞闭合以及后碰撞期的伸展挤压旋回。

It seemed the south tectonic melange has only undergone the Hercynian — Indo-sinian ocean — continent transition from the sedimentary formation, but a few Caledonian syntectonic granites are found in the basement, which showed the Caledonian movement has also left some traces in this subzone.

从沉积建造反映的南部构造混杂岩带似乎只经历了海西期一印支期单旋回的洋陆转换，但在该构造带基底岩系中发育较多的加里东期同构造花岗岩类，说明加里东旋回的构造活动在该亚带也有较深的印迹。

As KKД-500 gyratory crusher has large nip angle,linear steep crushing chamber profile,different throughputs of cross sections along the chamber height,it has poor crushing performance and short liner service life.Based on the structural analysis of the original crushing chamber,in the design principle of variable nip angle,the curve equations for moving cone lining and the fixed cone lining were setup by multi-stage fitted curves.

针对KKД-500旋回破碎机大啮角、直线陡锥破碎腔型，沿破碎腔高度各个截面的通过能力不尽相同，其破碎性能差，衬板使用寿命短的情况，在分析原旋回破碎腔型结构的基础上，按照变啮角设计原则，采用多段二次拟合曲线分别建立动锥衬板和定锥衬板曲线方程，利用计算机绘制衬板曲线，确定衬板结构，并优化破碎腔型。

As kkд-500 gyratory crusher has large nip angle,linear steep crushing chamber profile,different throughputs of cross sections along the chamber height,it has poor crushing performance and short liner service life.based on the structural analysis of the original crushing chamber,in the design principle of variable nip angle,the curve equations for moving cone lining and the fixed cone lining were setup by multi-stage fitted curves.lining curves were plotted by computer,the lining structure determined,and the...

针对kkд-500旋回破碎机大啮角、直线陡锥破碎腔型，沿破碎腔高度各个截面的通过能力不尽相同，其破碎性能差，衬板使用寿命短的情况，在分析原旋回破碎腔型结构的基础上，按照变啮角设计原则，采用多段二次拟合曲线分别建立动锥衬板和定锥衬板曲线方程，利用计算机绘制衬板曲线，确定衬板结构，并优化破碎腔型。通过对铝土矿的破碎试验表明，采用新型破碎腔型，其破碎性能和破碎产能显著提高。

The basin experienced three basin-forming cycles of Neopaleozoic, Mesozoic and Cenozoic Eras. Mesozoic fault and depression compounding basin composed the northern margin Jurassic petroleum system and the Cenozoic large-scale strike-slip and compressional basins composed the Tertiary petroleum system of the western Qaidam basin and Quaternary petroleum system of Sanhu. The intense tectogenesis of Yanshan and Xishan made the Jurassic petroleum system of the northern Qaidam more complex. The monocycle paleoclimate evolution in Cenozoic Era and multi-tectonic movement made the lake-basin evolution, hydrocarbon source-rock, reservoir development, accumulation condition and petroleum distribution are more exceptive in character and complex in feature.

该盆地经历了晚古生代、中生代和新生代3个成盆旋回，中生代断坳复合盆地形成了柴达木盆地北缘侏罗系油气系统，新生代大型走滑挤压盆地形成了柴达木盆地西部第三系油气系统和三湖第四系天然气系统，燕山和喜山2期强烈构造运动使柴北缘侏罗系油气系统高度复杂化，新生代单旋回古气候演化与多期构造运动使湖盆演化、烃源岩和沉积储层发育特征、成藏条件与油气分布规律变得十分特殊和复杂。

Key words: Bohai Bay Basin; oil and gas bearing series; distribution regularity; controlling factors

2.1 多构造旋回导致多套层序和生储盖组合发育，奠定了多含油气层系形成的地质基础

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