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The key technologies of Grid Method including grid divided in basin, impact radius of rainfall and number of reference rainfall stations have been discussed with example. The parameters of Grid Method have been selected through trial and error. Using simple random sampling to simulate the failure to collect rainfall, the relation between surface rainfall calculation error and station density, station distribution, uneven spatial distribution of rainfall has been sought.

论文探讨了流域网格剖分、降雨影响半径、搜索半径范围和参证站数量等关键技术,研究了网格法参数的优选,并采用简单随机抽样模拟降雨缺测情况,给出了面雨量计算误差与流域站网密度、均匀度、降雨分布不均匀性指标的关系。

For the ChengChao Iron Mine, the space is calculated by the formula and optimal selected by the FAHP. The result of the calculation is certified by the practice to be true.

运用本论文的研究成果对程潮铁矿所采用的中段穿脉间距进行了优化计算,并运用模糊层次分析法进行了方案优选,经现场实际应用证明其计算结果是正确的,符合现场实际。

Continuation--Optimization method is proposed for approximate synthesis of linkages The synthesis of planar four-bar and six-bar linkages are studied using this method and several solutions are obtained. Thus, selection of the optimum solution for approximate synthesis of linkages is realized.

提出了机构近似综合的连续---优化法,并应用该方法研究了平面铰链四杆及六杆机构的函数综合,得到了多组机构尺寸方案,实现了机构近似综合的多方案优选

Through the study of this paper resolve the most complicated and troublesome problems encountered in the precision point synthesis and provide theoretical basis and technical method for dimensional scheme selection of the Stephenson six-bar linkages mechanism.

上述问题的解决为Stephenson六杆机构综合中尺度方案优选提供了理论依据和技术方法。

The coagulation-flocculation and sedimentation beaker test and productive test were conducted to compare the flocculating and sedimentation effects of aluminium sulfate and several polyaluminum chloride liquids.

通过混凝沉淀烧杯试验和水厂生产性试验,对硫酸铝和几种聚氯化铝进行了优选,最终确定由深圳中润水工业技术发展有限公司提供技术、太仓新星轻工助剂厂生产的ZR-3型聚氯化铝的混凝沉淀效果最佳。

Based on the study of the geological characteristics of drilling engineering at the Tongnanba belt, it is proposed to adopt optimal gas drilling, foam drilling, vertical drilling, compound drilling, rotary drilling and other drilling-oriented approaches to promote the fast and vertical drilling, to optimize the casing program and determine the appropriate casing sealing points to get proper hole sizes, to optimize drilling fluid performance to improve its anti-sloughing and lubrication capability, to stress bit selection to improve rock-breaking effects, and to take concrete lost circulation control measures to reduce non-productive time.

通过对通南巴构造带工程地质特征的研究,提出如下对策:①优选气体钻井、泡沫钻井、垂直钻井、复合钻井、旋转导向钻井等钻井方式,促进防斜打直、打快;②优化井身结构设计,合理确定必封点,科学确定井眼尺寸;③优化钻井液性能,提高防塌、润滑效果;④强化钻头选型,提高破岩效果;⑤细化防漏堵漏措施,减少非生产时间等。

The method is in fact a two-stage procedure, first training and then decision, which is especially suitable for large scale decision making problems.

该方法是一个先训练后决策的过程,特别适于大规模的方案优选问题。

Aiming at the reservoir characteristics and serious sand production of the area,the precision micro-pore compound sand control screen pipe was used in the well completion,and good results were obtained.

针对该区块油藏特点和出砂严重的情况,通过室内分析、优选,在该区块几口水平井现场实施了精密微孔复合防砂筛管完井工艺技术,取得较好效果。

At present, cement grinding system with roller press, especially combination grinding system have become one of cement grinding preferred schemes in large-scale cement production line.

目前,带辊压机的水泥粉磨系统,特别是挤压联合粉磨系统已成为了大型水泥生产线水泥粉磨的优选方案之一。

In the first exploration stage,several plays were divided vertically in order to show the characteristics of petroleum accumulation more clearly.With the assurance of source rock,the main play and prospect targets were chosen quickly by the assessment of reservoir,cap rock,migration passageway,seal ability of the faults,structure characteristics,favorite traps and the allied conditions.Good exploration result has been obtained in Melut Basin.

在确定油源的前提下,通过对储层、盖层、运移通道,断层封闭性、构造、有利圈闭及配套条件等方面的快速分析,迅速确定了主力成藏组合和主力成藏带,优选了勘探目标,在苏丹Melut盆地取得良好的勘探效果。

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推荐网络例句

I am accused of being overreligious," she said in her quiet, frank manner,"but that does not prevent me thinking the children very cruel who obstinately commit such suicide.""

客人们在卡罗利娜·埃凯家里,举止就文雅一些,因为卡罗利娜的母亲治家很严厉。

Designed by French fashion house Herm è s, this elegant uniform was manufactured in our home, Hong Kong, and was the first without a hat.

由著名品牌 Herm è s 设计,这件高贵的制服是香港本土制造,是我们第一套不配帽子的制服。

Do not 'inflate' your achievements and/or qualifications or skills .

不要 '夸大' 你的业绩或成果,条件或者技能。