1、

Analyses the migration mechanism of overlying formation of fore-and-aft mining, and the stability influence of roof-floor rock, gains the stress distribution of plastically deforming area form the elasto-plastic stability of coal pillar.

分析了采动影响前后巷道上覆岩层运动、掘巷前后巷道顶底板的岩层及煤柱稳定性;由煤柱的弹塑性稳定性分析中,得出煤柱塑性区应力分布;

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2、

At the same time, the correlation analysis was carried between fore-and-aft monitoring soil samples and plant samples.

同时对监测前后的土样,以及植株样的进行相关分析。

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3、

Please mark the safety draft scale and fore and aft full draft of the vessel in the stowage plan.

请在积载图上标明本船的确安全水尺和满载后的前后吃水。

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4、

Based on the experimental formula of fore-ignition design, the initial amorce mass of a small solid rocket motor with end-and-lateral burning grain and aft-ignition manner was estimated firstly.

采用头部点火设计经验公式对端面-侧面燃烧、尾部点火的小型固体火箭发动机点火药量进行了初步估算。

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5、

Hocks well bent and rather close to ground, wide but straight fore and aft.

飞节角度恰当,靠近地面, 宽阔,但从头到尾保持笔直.

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6、

Balanced angulation fore and aft combined with powerful muscles and good condition produce smooth, efficient action.

前后角度平衡,配合上有力的肌肉,和良好的条件,形成了平顺 、 有效的动作.

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7、

This article brings forward the concept of transverse different service and fore-and-aft different service, and using the established models to point out how to establish service criteria in detail.

本文提出了纵向差异化物流服务和横向差异化物流服务,并根据已确立的服务模型,指出横向差异化物流服务的具体确定方法。

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