本研究着重探讨了在三种模式环境下,在我省农村经济欠发达地区和贫困山区普及信息技术教育的行之有效的方法。
The formula for the depth of the fracture region under the linear charge is developed, It will be of helpful for engineering design practice.特别在此基础上推出了条形药包下破裂深度计算公式,对工程实践有积极的指导作用。
The low potential region of hydrocarbon migration, developed under the nose-shape conformation background, leads the hydrocarbon moving direction.鼻状构造背景形成油气运移的低势区,决定了油气运聚方向;