片麻岩的

Valley has a grand Tianshengqiao, first discovered in China gneiss bridges, dating back 28 - 29 million years.

谷中有一座宏大的天生桥，是我国首次发现的片麻岩天桥，距今28--29亿年。

Gneiss is a typical metamorphic rock type, in which a sedimentary or igneous rock has been deeply buried and subjected to high temperatures and pressures.

片麻岩是一个典型的变质岩石类型，其中含有的火成岩或沉积岩受到深埋与高温和压力。

A preliminary study on laws of soil and water losses in gneiss, which is the main type of rocks in Taihang, was carried out in this paper on the bases of examination data, survey of flood and historic statistic data.

根据试验观测数据和洪水灾害考察结果，结合历史统计资料，对河北太行山的主要类型岩石－片麻岩低山区的水土流失特点进行了初步研究。

One of Zumthor's best known projects, the Thermal Baths Vals is an austere exercise in concrete and 60,000 slabs of locally quarried gneiss.

一个卒姆托最知名的项目，温泉瓦尔斯是一个严峻的锻炼和60000混凝土砖当地开采片麻岩。

Coincident biotite 40Ar/39Ar ages yield in rocks in the south of Yadong and in the high-pressure granulite shows that on the section of Yadong-ZhergerLa, rocks were cooled to 320℃contemporarily.

在亚东县城以南的两处花岗质片麻岩中，锆石U-Pb年龄分别为1149和474 Ma，为原岩和泛非变质事件的年龄，黑云母单次全熔40Ar/39Ar年龄为11.3和11.0 Ma，磷灰石裂变径迹年龄分别为7和8 Ma。

Early Precambrian metamorphic complex, composed of khondalite series, BiHb gneiss series, granulite series and metamorphosed plutonic intrusions inside the supracrustal rocks, are well developed in Daqingshan area.

内蒙古大青山地区普遍发育由孔兹岩系、黑云角闪片麻岩系、麻粒岩系和侵位其中的变质深成岩构成的高级变质杂岩。

In mineral chemistry, the plagioclase in the granitic gneisses from southern Dabie mountain was high riching in Na, and the biotite and hornblende were characterized by riching in Fe, showing clearly the continental crust source.

在矿物化学成分上，南大别花岗片麻岩中的斜长石高度富钠，黑云母和角闪石总体以富铁为特征，明显具有大陆地壳源的性质。

The strong deformation gneisses and mafic rocks have the stretching lineation, the ultra-plastic flow mechanisms of the hornblendes and plagioclases.

强变形的片麻岩和镁铁质岩石发育拉伸线理，角闪石和斜长石表现出的动态重结晶、超塑性流动变形机制。

County soil parent material is limestone, sandstone, gneiss evolved over the three types of rock, soil can be divided into four categories, namely, mountain meadow soil, mountain brown, cinnamon, meadow soil, Cinnamon Is the backbone of the county soil.

全县土壤母质是由石灰岩、沙岩、片麻岩三类母岩演变而成的，可分为四个土类，即山地草甸土、山地棕壤、褐土、草甸土，褐土是全县的骨干土壤。

Ion microprobe analyses revealed that the zircon from the orthogneiss has high Th/U ratios.

离子探针分析表明，片麻岩中的锆石具有高的Th/U比值。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。