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- geological background areas 地质背景区
- Background Area behind the main subject. 主调后面的范围。
- ORE-FORMING GEOLOGICAL BACKGROUND OF THE YINGSHAN LEAD-ZINC DEPOSIT IN THE EAST OF NORTH HUAIYANG AREA. 北淮阳地区银山铅锌矿床成矿地质背景及找矿方向。
- The geological background of erosion zones in coal seams in Tiefa area is discussed. 论述了铁法矿区冲刷带发育的地质背景;
- The forming environment of the nodules is discussed on the basis of the geological background, topography and geomorphology in the CC area. 通过对CC区区域地质背景及地形地貌的综合研究,深入探讨了多金属结核的形成环境。
- This paper puts forward the engineering geological evaluation of seismic risk of Jiaozuo-Hebi mine areas by the analysis of seismic geological background and finite clement calculation. 本文通过对地震地质背景分析和数学有限元计算,最后提出对焦作-鹤壁矿区地震危险性工程地质评价。
- Basic Features and Geological Background of the Minxian-Zhuoni M5.0 Earthquake on Sep. 岷县-卓尼5.;0级地震的基本特征和地质背景研究。
- Feel free to hide or reveal more areas on each Layer Mask to hide or show some particular background areas. 随时隐藏或显示更多的地区在每个图层蒙版隐藏或显示某些特殊背景的地区。
- Based on the geological background and mechanism, mechanical model of buckling failure for the consequent slope is given in this paper. 从地质力学角度分析了顺层边坡的形成机制,抽象出了顺层边坡溃屈破坏的力学模型。
- Three major problems are involved in the survey and development of groundwater resources: basic geological background, aquosity, and the water quality. 地下水研究所涉及的基础地质问题、地层的含水性问题和水质问题是目前地下水水文地质研究的关键。
- In Southwest China, carbonate rocks are mainly distributed along the NE-extending tectonically upheavedzone, deeply impacted by geological background. 中国西南岩溶石山区岩溶发育的地质历史背景,决定其碳酸盐岩主要分布于NE向的构造隆起带上。
- Fig. 3b IR brightness temperature annual variation difference of 2003 and 2004 m inus 1999 of background area. 景区的亮温变化过程才能判断火山区是否存在增温趋势。
- This paper deals with geological background, features of the lead-zinc deposit, ore-controlling factors, in addition to ore-formation conditions and mineralization. 摘要本文通过大冶章山地区地质背景、铅锌矿矿床特徵、控矿因素的综合分析，结合成矿地质条件和矿化特徵，对本区铅锌矿的成矿远景进行了分析。
- Through calculating the connected components of the background area of character image,hole features of a handwritten character image can be extracted. 提出了基于等价类行程的连通域算法,通过计算字符图像背景区域连通域提取手写字符图像的孔洞特征。
- On the basis of the analyses of geological background ,structure,strata and magmatic activities of gold mineralization,the further study of ore prospecting orientation is made. 在分析金矿成矿地质背景、构造、地层及岩浆活动基础上，进一步探索找矿方向。
- The paper put forward the prospecting potential of DongAn gold ore field by analying its geological background,characteristics and mechanism of ore deposit. 通过对东安金矿区成矿地质背景、矿床特征及成矿机制的分析,提出了该区潜在的找矿前景。
- The average contributions of penta-CBs to the total atmospheric PCBs were similar between suburban and background area, with values of 9.65% and 10.87%. 郊区和背景区空气中五氯取代PCBs的平均贡献率分别是9.;65%25和10
- The authors comprehensively analyzed the geological background and the epositional characteristics of the Late Permian coal bearing strata in Laochang coalfield,eastern Yunnan. 通过对滇东老厂煤田形成的地质背景和晚二叠世含煤地层沉积特征的综合分析,剖析了典型的潮坪聚煤环境和三角洲聚煤环境及其成煤作用。
- This paper deals with the seismic genesis of M=6.3 Yangjiang earthquake in 1969 bymeans of the situation when the quake occurred, its focus geological background and epigene adjustment action. 本文根据阳江地震发生的情况、震源区地质背景、外因的调制作用;对阳江6.;4级地震成因进行了讨论。
- According to the morphic characteristics of the Chinese characters and background areas in a complex background image, we propose a fast text segmentation algorithm based on morph operation, and compare it with the LLT algorithm. 本文针对复杂背景图像中文字与背景区域的形态特征,提出了一种基于形态运算和区域生长的快速文字分割算法MOSA,同时将之与LLT分割算法进行了比较。
