俯冲

Using temperature-dependent viscosity and considering depth difference between oceanic plate and continental plate, we discuss numerically the possible geodynamical process for tomography results in NE China with convergence velocity of Pacific plate and Eurasian plate and multiple trench retreating models.

本文采用依赖温度的黏度结构以及考虑海洋板块和大陆板块厚度差异等特征，以太平洋板块向欧亚板块会聚速率作为板块速度的主要约束，通过变化海沟后撤速度模型，数值模拟西太平洋板块向中国东北的俯冲过程。

Deep lithospheric mantle in the Qinghai-Tibetan plateau and adjacent area, which consists of imbricated dipping-northward multi-lithospheric terrains, is in convergent-subduction regime for sinking of cold lithospheric material. Geoidal anomalies and P/S velocity tomographies show that subduction into beneath Euro-Asian continent by Indian lithosphere not only causes intensive crustal upwelling, thickening and shorting deformation along S-N, but also affects depth of～600km in the plateau and eastern part of the Chinese continent and southern margin of the Siberian block.

大地水准面异常和P/S速度层析成像显示，印度大陆岩石圈向欧亚大陆的俯冲作用，不只是引起地壳的强烈加厚、隆升和南北向缩短变形，纵向上影响到600km深度，横向上波及到了中国东部和西伯利亚南部。

We applied the theoretical results combined with GPS and absolute gravity observation data to study the subduction rate of the India plate to Eurasia subduction, the crustal deformation and gravity changes caused by the co-seismic dislocation of the Lijiang and Tang Gula earthquakes. From this study, the absolute gravity changes at the western Yunnan and Lhasa stations were founded.

通过本项目的研究，我们从重复绝对重力观测结果中发现了滇西地区、青藏高原的拉萨点绝对重力值的变化；研究了丽江7.0地震同震位错与重力变化的关系；印度板块与欧亚大陆俯冲等引起的重力变化。

It was fun to watch the scattered snail kites ... lifting and falling in the wind as they hawked across the shining grass and water.

观看零星几只蜗牛是一件有趣的事…当它们俯冲下来掠过照光的草地和水面时就象在风中上下起舞。

Not far away, an eagle was highflying in the sky.

不远处，一只雄鹰展翅高飞，猛然又一个俯冲直至深谷，让人不由直呼过瘾。

S Broad asphalt along the main road, followed by the array of more than 30 of its significant interest in large, medium and small Recreation: If the crazy "roller coaster" in the air on the track and came to a series of somersaults, and let you experience a soul-stirring centrifugal, rapid rotation of panic, can be done to stimulate;"fast scooters" in the track km On the fast, as Shirupozhu dive 30 meters high slope, Huer mad to Jixuan, feelings like Cloud Nine fall, as if riding a bull at running back; in particular, the addition of new large-scale projects,"Challenger Tour" Mars will give you the speed of excitement around the world,"wind speed," you over 10 meters in height, during which around and up and down several times before and after the turnover, there is a non-feet under the ultimate experience weightlessness; and the "monster House "is another boost fan, pitch dark, cold wind gusts, desperate calls and setting of zombie ghosts and volatile side of the creeps you scared, scared; 50 meters out to the" Ferris wheel "to let you enjoy the" List Small hills,"the sense of endless;" Liu Yong Jin,"When you enjoy the" drift "Huiguoshenlai no sense, as water spilled from the mountain 10 meters high fly drift down the moment, the heart Has been hanging in the air to the; also hit eyeful of Venus "bumper car"; as the mischievous people Shuaixiang half-empty,"Spider-Star,""rotating aircraft" and "forest mouse car," and so on, you will be able to bring a Although the stimulus was accompanied by tears, but more interest is the doubling of the situation, a test of your willpower.

沿着宽阔的柏油大马路，依次排列着三十多个各显其趣的大、中、小型游乐项目：如疯狂&过山车&在凌空的轨道上急转直下而又接连翻腾，让你经历一场惊心动魄的离心、快速旋转的恐慌，可谓极尽刺激；&快速滑行车&在千米的轨道上风驰电掣，势如破竹般俯冲三十米高坡，忽儿狂转急旋，那感觉仿如九霄云外下坠，又好象骑在蛮牛背上狂奔；特别是新增设的大型项目&挑战者之旅&将带给您火星绕地球的速度快感，&极速风车&，你凌驾十米高空中，其间几度上下左右和前后翻转，真有一种双脚无着下的终极失重体验；而&妖怪屋&又是另番刺激，伸手不见五指，寒风阵阵，绝望的叫声和出没无常的僵尸鬼面，吓得你毛骨悚然，胆战心惊；拔地五十米的&摩天轮&让你享受&一览众山小&的无垠感觉；&激流勇进&，当你优悠的&漂&感还没回过神来的时候，高山泻流水般从十米高处向下飞漂的那一刻，心已悬到半空中了；还有撞到满眼金星的&碰碰车&；恶作剧般把人甩向半空的&星际蜘蛛&、&旋转飞机&和&森林老鼠车&等，都能将你带到一个虽然伴有被刺激后的泪花，但更多的是兴致倍增的境地，考验了你的意志力。

The lithospheric mantle of the Chinese continent, as a whole, is in compressive tectonic regime. 2. The lithosphere of eastern portion of the Chinese continent, being in extensional regime for level-shallow and motion eastward but westward dipping imbricated subduction that formed by high- and lower velocity slabs within lithosphere, suggests that it is in compressional regime in deep levels as a whole.

岩石圈大地水准面异常、水平应力场和P波地震层析等显示，中国东部岩石圈浅层次向东运动，处于相对伸展状态，而深层次高、低速板片向西叠瓦式俯冲形成挤压构造背景，以部分脱耦形式实现不同深度层次之间的调节。

Indicating that mafic magma has formed in a subduction-related setting.

表明岩浆形成于与俯冲有关的环境。

During the subduction and collision of Yangtze and Sino-Korean craton in Triassic period, they all subduced into mantle depth, due to the granite was relative poor in water and denser than sedimentary rocks, the kinetics rate of metamorphism of granite was much more slow than that of sedimentary and mafic volcanic rocks.

即在扬子板块与中朝板块三叠纪俯冲—碰撞过程中他们一起进入到地幔深度的超高压环境，但由于花岗片麻岩的原岩相对于副片麻岩的原岩明显贫水且结构致密，其中发生变质作用的动力学速度明显慢于沉积岩或基性火山岩中的动力学速度。

From the Late Carboniferous to the Permian, Junggar region into the post-collision tectonic evolution stage, in the stage of the post-collision, the early subduction slab rupture and separate, asthenosphere decompression melting, basalt magma take place underplating, because the underplating of the basalt magma, low crust melt by the high temperature forming the acid crust-magma, the basic magma from mantle and acid one from crust mixing at the vicinity of the crust-mantle boundary, formed the Huangyangshan magma mixing plution, the dioritic microgranular enclaves are the recorder of the crust and mantal magma mixing process.

从晚石炭世到二叠纪，准噶尔地区进入后碰撞构造演化阶段，在后碰撞构造阶段，早期的俯冲板片断离，软流圈减压熔融，玄武质岩浆底侵至下地壳底部，底侵基性岩浆带来的巨大热量，导致地壳物质熔融，形成大规模的花岗质岩浆，两种岩浆在壳-幔边界附近发生不同程度的混合，其中闪长质微细粒包体就是基性的幔源岩浆和酸性的壳源岩浆不同程度的混合的记录者。

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