旋回

The results indicate that wavelet transform is very suitable to the division of cyclic sequences of intermediate order and smaller orders.

划分结果证明小波变换非常适合中期及其以下级别旋回层序的划分。

Palaeoclimatical cyclic transformation which is an important factor to control the development of terrigenous sequence was caused by the orbit cycle (namely, Milankovitch hypothesis).

邵荣松 ，郭文平，胡受权古气候是影响陆相层序发育的一个重要因素，其周期性变化是源于天文旋回的驱动力。

Early Cretaceous granitic volcanic-intrusive complex in Xiushanlinchang of northeastern Da Hinggan Mt. consists mainly of rhyolite, rhyolite ignimbrite-trachytic dacite, trachyandesite formed in eruptive cycle stage and adamellite porphyry-geode syenogranite-graphic alkali feldspar syenogranite formed in hypabyssal invasion stage.

大兴安岭东北部秀山林场一带的早白垩世花岗质火山－侵入杂岩体由喷发旋回期的流纹岩、流纹质熔结凝灰岩－粗面英安岩、粗安岩和浅成侵入期的二长花岗斑岩－晶洞正长花岗岩－文象碱长正长花岗岩构成。

The characteristics of sediment dynamics and the continued sediment time are discussed through analysis of various cycles of datum plane.

通过各种级别基准面旋回特征分析，讨论了穆棱组的沉积动力学特征和沉积延续时间。

Based on the comprehensive analysis of drill well, logging and seismic data, the various datum plane according to the ration of accommodation and sediment supply.

根据钻井、测井及地震资料的综合分析，以A/S值的变化趋势为依据，可以识别不同级次的基准面旋回。

It is important and difficult for isochronous correlation datum of fluvial facies stratum in exploration and development of petroleum, while high resolving power of sequence stratigraphy based on the datum plane cycle is an additional feasible technical method for it.

河流相地层的等时对比一直是油气勘探开发的重点和难点，而基于基准面旋回的高分辨率层序地层学则为此增添了行之有效的技术手段。

They reveal the paleoceanographic and paleoclimatic evolutionary history during the Neogene in the high latitude of the North Atlantic, find the millennial timescale climatic variability during the early Pleistocene "41 ka world" and couple the oscillation between surface temperature and deep water during the glacial periods, indicating the climatic instability of deglaciation during the glacial and interglacial cycles.

它们揭示了北大西洋高纬度海区新近纪的古海洋学和古气候的演化历史，发现了早更新世"41ka世界"千年尺度的气候波动，以及冰期表层水温与深层水的耦合颤动，说明冰期旋回中冰消期气候的不稳定性。

Vertically, slop-moving turbidity fans are located on the location where the middle term base levels transformed from rising stage to falling stage. On the plane, the slop-moving fans are distributed in the downthrow of depositional faults and the palaeogeomorphological lowlands between these faults.

该类扇体的分布主要受基准面旋回变化、同生断裂及沉积古地貌等因素所控制，垂向上主要位于中期基准面由下降到上升的转换位置，平面上要分布于同生断层下降盘及其之间的古地貌低洼处。

And the distribution of barriers and facies were controlled by the deposit cycles.

并且隔层和沉积相的分布规律受沉积旋回的控制。

Based on middle-term cycles, the paper discussed the distribution and evolution of the depositional facies in study area.

以中期旋回为单元，分析了该区沉积相的分布与演化规律。

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