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- They were giant ,sometimes 8 feet long ,and many of them lived in the swampy pools in which our coal seam ,or layer ,or formed . 一般情况下不可能有特别明显的词汇、句子等语言方面的提示，也并不要求考生过分关注某一具体的细节；
- The coal seam in Daming No.1 &No.2 Mines, Tiefa Mining Administration is overlain by a rich water bearing Quaternary sand layer. 铁法矿务局大明一、二矿的煤层上覆为含水丰富的第四系砂层。
- Multi layer perceptron (MLP) is a typical artificial neural network. 摘要多层感知器神经网络是典型的人工神经网络模型。
- We are interested in solid multi layer wood plates, tiles for floorings. 本信息价值5点积分,建议回复日期2007-12-02之前,还可被浏览15次
- With the increase of the depth of excavating, the great thick gravelstone layer aquifer of Tertiary system threatens the fourth coal seam of Shanxi group more and more. 华丰井田第三系巨厚砾岩含水层对山西组4煤安全开采的威胁程度随开采深度的增加而日益严重。
- Coal miners; coal seams; coal haulers. 煤矿工; 煤层; 运煤工
- In the exploration process of Xinheya coalfield in Hantai,great physical character differences between pyrite of nodule layer and that of coal seam were found. 在韩台煤田新和涯井田的勘探过程中发现,黄铁矿结核层与煤层中黄铁矿在物理性质方面存在较大差异。
- The Gaussian curvature of No.3 coal seam in Qinshui basin is calculated. 计算了沁水盆地3号煤层的高斯曲率。
- Coal seams intermixed with iron ore. 煤层和铁矿混杂在一起。
- By means of multi layer and multi pass lap surfacing, the surfacing layer with big thickness and area can be acquired. 采用多层焊和多道搭接工艺可获得大厚度、大面积堆焊层。
- Factors affected coal seam permeability change and its law is analyzed. 分析了煤层透气性变化的影响因素及变化规律。
- The basic characteristics of gravitation gliding structure are multi layer,multi period,small scale,multi form. 肥城矿区内重力滑动构造的基本特点是具有多层次性、多期性、小规模性和形式多样性。
- The outburst-proneness of 6# coal seam are studied with five indexes. 采用5种指标对该矿6%23煤层冲击倾向性进行了实验研究。
- Our SMT can produce soft,hard,singlelayer,double layer and multi layer PCB board. SMT可全自动高速贴装软硬、单层、多层PCB板。
- Radiative exchanges will be inhibited by the use of Multi Layer Insulation foils. 辐射热交换被多层绝缘薄膜所阻止。
- This paper emphasizes on the newest technology adopted in EIC control system design, such as multi layer NET technology, the distribution control system, EIC integration and etc. 这里重点阐述三电系统设计中采用的多层次网络技术、分布式集散系统及EIC一体化等最新技术。
- Coal seams intermixed with iron ore . 煤层和铁矿混杂在一起。
- Based upon element by element(EBE) iterative strategies,a feedback multi layer neural model is proposed for the heat conduct problem FEM analysis. 基于Element By Element(EBE)策略 ,提出了一种反馈网络和前向网络共同组成的多层神经网络以实现热传导有限元分析。
- The way and principle of Gaussian curvature method for forecasting natural fracture zones in coal seam are discussed. 摘要论述了高斯曲率法预测煤层天然裂隙发育区的基本原理和方法。
- The vascular has one or three flats cells.The cork cambium originated from the pericyclic cells and created multi layer of phelloderm parenchyma cells. 木栓形成层由中柱鞘细胞恢复分裂能力而形成，并且产生多层栓内层薄壁细胞。
