These features are various from different parameters of moving bodies, different depth of submergence and different sea-states.
这种尾迹特征同运动物体的参数和下潜的深度以及海况有关。
Increasing the yield limit of high strength steel, and increasing the depth of submergence, the form of the differential equation's result will not only be limited with the complex number.
由于高强度钢材的屈服极限不断地增大，下潜深度的不断增加，弯曲微分方程解的形式将不仅限于复数解。
The ranges of rational submergence depth and pump setting depth are presented for Fuyang reservoir of Xinli oilfield.
并得出了新立油田扶杨油藏合理沉没度和合理下泵深度的范围。
Submergence depth is one of the most important parameters which has great influence on the production efficiency of oilfields.
沉没度是影响油田生产效率的重要参数之一。
According to the principle of material balance in well bores the method of dynamic simulation to describe the changing rules of submergence depth is established in the paper based on SIMULINK.
在现有研究基础上，根据井筒内物质平衡原理，建立了基于SIMULINK下沉没度变化规律的动态仿真方法。
The significance of studying the changing rules of submergence depth is that it can tighten up the management of oil wells and increase the output of crude oil.
研究油井沉没度变化规律，对于加强油井管理，提高油田产量具有重要的意义。
Limit pump diameter and percentage of submergence are derived theoretically. Trial and error method is used to calculate the rational percentage of submergence and pump setting depth.
从理论上分析导出了极限泵径和极限沉没度，并引用小泵深抽技术采用试算法确定了合理的沉没度和泵挂深度。
On this background, an optimization method for stroke frequency of submersible reciprocating pump based on submergence depth forecasting was presented.
在这一背景下，提出一种基于沉没度预测的潜油往复泵冲次优化方法。
The control system is able to solve the problem of evacuation and over submergence depth, which is adaptive to the application environment.
这一控制系统对解决低液量井抽空烧泵和过沉没度运行的问题，与现场的实际应用环境能够很好的结合。
The control system is able to solve the problem of evacuation and over submergence depth, which is adaptive to the application environment.
这一控制系统对解决低液量井抽空烧泵和过沉没度运行的问题，与现场的实际应用环境能够很好的结合。
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