查询词典 earth's

The rock is peridotite, which is one of t he main rocks in the upper mantle, an area that provides a girth below the Earth's crust.

这种岩石是橄榄岩，是上地幔的主要组成成分，地幔是地壳以下围绕地球一周的区域。

The rock is peridotite, which is one of the main rocks in the upper mantle, an area that provides a girth below the Earth's crust.

这种石头是一种橄榄岩，是上地幔中的一种主要岩石。地幔位于地壳下面，包围着地壳。

Group in the periodic table there are silver-white metallic luster of the solid metal transition element, atomic number Z = 26, atomic weight of 55847, chemical symbol Fe, there is a stable F isotope 5626Fe and a radioisotope 5526Fe, content of 5% of the earth's crust, accounting for elements of in the fourth place, the metal in the second melting point 1535 ℃, boiling point 2750 ℃, the relative density of 786, the external electronic structure 3d64s2, chemical reactions 2-6 tram F-volatile son, oxidation number of 0, 2, 3, 4 , 5 and 6, the chemical nature of the metal element is very lively, in the humid air combined with oxidation, but also directly with the sulfur, phosphorus, silicon, carbon together.

周期表中Ⅷ族有银白色金属光泽的固体金属过渡元素，原子序数Z＝26，原子量55847，化学符号Fe，有一种稳定F同位素5626Fe和一种放射性同位素5526Fe，地壳中含量5％，占元素中第四位、金属中第二位熔点1535℃，沸点2750℃，相对密度786，外围电子结构3d64s2，化学反应时易丢失2—6个电F子，氧化数为0、＋2、＋3、＋4、＋5和＋6、化学性质很活泼的金属元素，在潮湿空气中能与氧化合，也能直接与硫、磷、硅、碳化合。

PHYSIOGRAPHIC BASIS OF THE PLACE NAME COVER To place name cover in relation to the earth's surface itself less attention has been devoted by American students than to its histonrcal and social aspects.

地名覆盖的地文学基础对于地名覆盖与地球表面本身的关系，美国学生一直不像对历史和社会方面那么给予那么大的注意。

This is a map, accompanied by explanatory text, which shows the Earth's physiographic features, the current movements of its major tectonic plates, and the locations of its volcanoes, earthquakes, and impact craters.

本网站提供了一些地图，附带有说明性的文字注释，包括地球地形特征，主要板块现在的运动情况，火山、地震和冲击坑的位置。

One solar system that the Pleiades and Sirius warred over was Earth's solar system.

一个两者间的战场是地球的太阳系。

The Heartbeat of the Oligocene Climate System - Marine sediments from 34 to 21 million years ago reveal an intricate response to orbital forcing on the part of Earth's climate, carbon cycle, and ice sheets.Authors: Heiko Plike, Richard D.

渐心跳的气候系统--从1934年至1921年海洋沉积物万多年前就揭示了错综复杂的轨道，迫使一部分地球气候、碳循环、冰sheets.authors：plike时Heiko理查德丁诺里斯的Jens澳海尔勒保罗威尔逊甲、海伦coxall悦、加罗林老义形式尼古拉j。

One of the mysteries of the Earth's history is the fundamental climate change in the Mid Pliocene, about 3.5-2.5 million years ago.

地球历史上有很多尚未揭示的奥秘，例如距今约350～250万年前的全新世中期地球气候变化的根本原因一直都是个谜。

Floor of entire county total ground accumulates 4885 square kilometer, climate characteristic is spring dry sand blown by wind is much, the summer is short rainfall is little, year average air temperature 2.5 ℃, fall 350mm is controlled, frost-free period is controlled 110 days, it is typical dry farming county, long-term since, because the ploughshare type of follow tradition plows cultivation, a large number of the earth's surface are completely bare, monsoon comes, soil land of medium fine sanded face is reached organic blow character, cause edaphic sand to change, fertility drops, raise of sand and dust, year answer a year, change dene serious with each passing day, cause aggravation of zoology environment year after year, the agriculture that also decided place produces a condition, groundwater source is not worth badly, 10 years of 9 drought, extensive cultivation, crop yield is low and flabby.

全县总土地面积4885平方公里，气候特色为春季干燥风沙多，夏季短促降雨少，年平均气温2.5℃，降水量350mm左右，无霜期110天左右，是典型的旱作农业县，长期以来，由于沿袭传统的铧式犁耕作，大量地表完全裸露，季风来临，将土壤中的细沙面土及有机质刮走，造成土壤沙化、肥力下降，沙尘扬起，年复一年，沙化日趋严重，造成生态环境逐年恶化，也决定了当地的农业生产条件，地下水源严重不足，十年九旱，广种薄收，作物产量低而不稳。

Except at the pole and the equator, a plumb line does not point toward the earth's center.

除在地球的两极和赤道之外，铅锤线并不指向地球中心。

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。