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- 与 各 相关的网络例句 [注:此内容来源于网络,仅供参考]
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On this basis, according to historical data, apply ANN and differential simulation method to get the quantitatively correlative relations between each production and its own influence factors, and introduce the new methods of prediction for dynamic indexes with gas-field development (The combinatorial prediction method based on fuzzy comprehensive evaluation, the method of ANN to select optimally combinatorial prediction models and the ANN prediction method based on genetic algorithm).(2) Base on mathematical programming, combine with quantitative economics and techno-economics, introduce economical indexes to establish production"s distribution optimal model, production"s constitution optimal model and measured production"s constitution optimal model, including multi-objective models and five-years models. Upon this, the optimal project for all gas field and each gas-collected factory can be got. Also, introduce the time value of capitals to improve on these models.(3) Base on the optimal solution theory and algorithm theory for the nonlinear programming problem, introduce the SUMT algorithm and genetic algorithm to study how to solve the models, and on the basis of normal genetic algorithm, make use of auto-adaptively modulating method to improve on normal genetic algorithm; Base on algorithm"s convergence theory and calculation"s complexity theory to analyze seriatim SUMT algorithm"s convergence and genetic algorithms convergence, and compare performance with each other.
在此基础上,利用神经网络方法和微分模拟方法根据历史数据得到各分项产量与其影响因素之间的定量关联关系,并引入气田开发动态指标新的预测方法(基于模糊综合评判的组合预测方法、神经网络优选组合预测模型预测方法以及基于遗传优化的神经网络预测方法);(2)以数学规划为基础,结合数量经济学和技术经济学,引入经济指标建立产量分配优化模型、产量构成优化模型、措施产量构成优化模型、气田开发多目标规划模型以及五年规划模型,进而获得全气田及各采气厂的最优方案,并引入资金时间价值对五年规划模型进行改进;(3)以非线性规划问题的最优解及算法理论为基础,引入SUMT算法以及遗传算法对模型的求解进行研究,并在原有的遗传算法基础上,引入自适应调整方法对遗传算法进行改进;以算法的收敛性理论和计算复杂性理论为基础,逐一分析SUMT算法以及遗传算法的收敛性,并比较三种算法的优劣性。
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At the end of feeding for 2, 4, 6 and 8 wk, 6 rats in each group were randomly selected, the serum fasting blood sugar, fasting insulin and the fasting insulin resistance index, and the concentration of IL-18 in serum and liver tissue serosity were measured.
将48只♂SD大鼠随机分为正常饮食组及高脂饮食组,各24只,喂养至第2、4、6、8周末时, 2组各随机抽取6只,抽取门静脉血测空腹血糖、空腹胰岛素,计算空腹胰岛素抵抗指数;检测血清及肝组织匀浆IL-18浓度;光镜检查肝组织切片以评价肝脏脂肪变性程度。
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Because of the use of AC servomotor, the control precision, the execute speed, the reliability is improved greatly.
由于各执行单元普遍采用了交流伺服电机的位控模式替代了原有的普通电机加机械刹车进行位控的模式,使各环节的控制精度、执行速度、可靠性等指标有了质的提高。
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Fruit , count count their seed Perhaps while shelling a garden pea for the set , Be shell and counting the bean pod of different shape in each have a few garden peas Usually do game of throw the plug .
把豆子和纽扣等装入纸盒里,父子二人各抓出一把,叔叔看谁的多;或者在吃葡萄等水果时,数数它们的种子;或者在帮组剥豌豆时,一边剥一边数不同形状的豆荚中各有几粒豌豆。
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Through linear regression analysis ,relationships between each parameter and the bottleneck shiftiness are discussed.
建立包含以上随机变量的流水车间生产系统瓶颈转移模型,对模型进行仿真,得到样本数据并结合瓶颈转移度量参数β,建立各变量与瓶颈转移性的多元线性回归模型,分析得到各变量对瓶颈转移性影响的相关性。
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However, if your companion insists on paying his shire, don't get into an argument about it.
但如果你的同伴坚持各付各的,你也不必跟他争执不休。
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Clearly, producers have been prepositioning crude in key consuming regions to mitigate the potential impact of a prolonged supply disruption, thereby assuming the financial risk and burden of transforming long haul into short haul supply. These are certainly positive developments.
很显然,各大石油公司和产油国已经在各主要石油消费区预先布置了大量原油储备,以便在伊拉克等国的生产中断延长的情况下缓解其不利影响,从而有效地抗御由此造成的财务风险,平稳地实现从短途供应到远程供应的转变。
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In this paper an order tracking technique and double threshold trigger technique are developed to ensure the synchronous data acquisition and to eliminate the disturbance and noise in rocket speed signal.
由此可保证各倍频分量幅值的精度,减少频率泄漏,同时保证了各帧数据具有相同的相位基准。同步、同相基整周期采集需由转速信号触发采集来实现。一般情况下,涡轮泵转子上的测速盘为多齿盘。
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Layered described Cambrian - the Triassic formation, with the period of tectonic events on the sedimentary layers and structural features several important period of formation is not integrated interface, and Tajikistan low uplift tectonic evolution into paleouplift a period ( As early as the late Ordovician), paleouplift stereotypes period, the uplift of ancient period (Silurian Period to the Devonian), partial adjustment period in four phases.
分层描述寒武系—三叠系地层,结合各期构造事件研究了各层沉积构造特征及几期重要的地层不整合界面,并将塔中低凸起构造演化分为古隆起形成期、古隆起定型期、古隆起改造期、局部调整期四个阶段。
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Indicators, and the main technical indicators of timber production, silviculture, multi-use and
限额和各林场的森林资源状况,确定各林场的年木材采伐量,组织森林作业调查设计
- 推荐网络例句
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Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).
呼气,收缩臀部肌肉;拱起身体,尽量抬起头来,右腿伸直朝向天花板(膝微屈,以避免肌肉紧张)。
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The cost of moving grain food products was unchanged from May, but year over year are up 8%.
粮食产品的运输费用与5月份相比没有变化,但却比去年同期高8%。
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However, to get a true quote, you will need to provide detailed personal and financial information.
然而,要让一个真正的引用,你需要提供详细的个人和财务信息。