通过现场调查与统计分析看到，全国体育学院男女排在比赛中网上进攻区域不平衡；
The authors found the disequilibrium of the ove-net attack zone in the men and women volleyball competitions of P. E. institutes by on-the-spot investigations and statistical analysis.
通过现场调查、观测及实验室相似材料模型实验，分析了大倾角煤层巷道围岩的变形和破坏特征。
With site investigation and observation as well as similar material model test, the paper analyzes the surrounding rock deformation and failure characteristics of roadways in high pitched seam.
通过现场调查，分析了影响孤东油田二区地面注聚系统效率的因素，指出主要影响因素为注聚泵系统。
By a field investigation in Block 2, Gudong oilfield, the factors to influence efficiency of injection surface system are analyzed, and the injection pumps are determined as the most important factor.
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