In fact, the earthquake is that the earth is the earths surface vibration.
事实上，地震是地球是地球表面的振动。
Dryland does most in global carbon cycling because it occupies 40% of the earths surface.
干旱土壤占全球陆地总面积的40 %，因此，它在全球碳循环中占有重要的地位。
But there must be some point on earths surface where the date changes from one day to the next.
但必须有一些点在地球表面的日期的变化从一天到另一天。
In north of China, Latosol-like soils which were exposed to the earths surface were developed from red Paleosol and red paleo-weathered crust.
现今出露于中国北方地表的红色土壤是在红色古土壤和红色古风化壳上发育的，而且大多经历了不连续的成土过程。
The earths surface observation is extended to the region beyond the source with a methodof sphere surrounding three-dimensional finite source.
用梭形旋转曲面包围三维有界场源，将位场的地表观测值延拓到场源之外的空间区域。
The article introduces the construction technology of center drift method for shallow excavation tunnel in Beijing Metro Line 5, analyses the monitored data for the earths surface.
介绍了北京地铁5号线磁器口车站浅埋暗挖隧道中洞法施工技术，对地表监测数据进行了分析。
The interpolation face of coal seams is trimmed by boundary and the closed polygons of up and down faulted blocks to form the deposit interface model. The earths surface model is founded.
地质界面模型是由煤层的顶底板插值曲面经煤层边界和断层曲面裁剪而成的，地表面模型是对原始地表数据和矿坑数据进行三角剖分得到的三角形网格。
This paper investigates improving corrosion resistance of AZ91 magnesium alloy surface by permeating rare earths.
研究了采用稀土多元共渗方法提高AZ91镁合金表面耐腐蚀性能的作用。
The research status of surface modification on cermet coating microstructure by rare earths and its application development were introduced.
介绍了稀土对金属陶瓷涂层微观组织改性作用的研究现状和应用进展。
The effect of the added rare earths on the thickness, surface quality, hardness and corrosion resistance of the layer were studied.
研究了稀土对镀层厚度、表面质量、镀层硬度和耐腐蚀性的影响。
The effect of the added rare earths on the thickness, surface quality, hardness and corrosion resistance of the layer were studied.
研究了稀土对镀层厚度、表面质量、镀层硬度和耐腐蚀性的影响。
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