以...为目标

Methods:to consider sugarcane total alkane alcoholas effective part objective, total alkane alcohol and octacosanol as investigation index,determine contentby gas chromatography method,learn the contribution of different factors to extraction of sugarcane wax with orthogonal design.

以甘蔗滓总烷醇为药材有效部位目标产物，并以总烷醇及二十八烷醇为主要考察指标，用气相色谱法进行含量测定，采用正交设计法，得出不同因素对提取甘蔗烷醇的影响程度。

The mathematical model of complex countercurrent multi-effect evaporation with condensed water flash is established, which aims at minimum annual cost (including cost of fresh vapor, vacuum pump power, evaporator, maintenance and depreciation).Based on such decisive variables as the pressure of fresh vapor, the pressure of condenser and heat-transfer mean temperature difference of vari-effect,the model is solved by the complex method,Lagrangian multiplier method, iteration method and matrix method.The practical example indicates that the influence of the pressure of fresh vapor, the pressure of condenser and flash of condensed water on the optimum design results is notable.

建立了带有冷凝水闪蒸的复杂逆流多效蒸发系统优化设计的数学模型，该模型以整个蒸发系统的年总费用(包括加热蒸汽年费用、真空泵年动力费用以及蒸发器和辅助设备的年折旧维修费用等)最小为优化目标，以生蒸汽压力、冷凝器真空度及各效有效传热温度差为决策变量，提出一种新算法———复合形法结合Lagrangian乘子法、迭代法和矩阵法求解模型。

The model aims at minimum annual cost (including operating cost and equipment depreciation cost) of whole evaporation system (including two sequential system——multi-evaporation system and multi-level preheating system). The tempreture of flesh vapor, the tempreture of condenser, effective heat-transfer temperature difference of vari-effect, and outlet solution temperature of vari-level preheater were both decision variables.

优化设计数学模型以整个蒸发系统(包括多效蒸发和多级预热两个序贯系统)的年总费用(包括系统年操作费用和设备年折旧费用)最小为优化目标，以生蒸汽温度T0、冷凝器中二次蒸汽温度Tk、各效蒸发器有效传热温度差Δti及各级预热器溶液出口温度tpj为决策变量。

Companies adhering to the "absorbing and self-reliance" of the innovative concept, keep on exploring and innovating, and always to the development of creative enterprise for the efforts of goals, persist in reform and advance the concept of good faith, dedication, innovation as a fundamental, will be developed into Peking world-class tool grinder manufacturers.

公司秉承&博采众长，自强不息&的创新理念，不断开拓创新，始终以创造性的开发型企业为努力目标，坚持超前改革的理念，以诚信、敬业、创新为根本，将北平发展成世界一流的工具磨床生产厂商。

Choose thunder snake, not only because thunder snake is the whole world manufacturer of top class play peripheral equipment, more because all products of thunder snake are,be a center with the user, it is struggling target with the demand of the user and acme experience.

选择雷蛇，不仅因为雷蛇是全球顶级的游戏外部设备制造商，更因为雷蛇的一切产品都是以用户为中心，以用户的需求和极致体验为奋斗目标。

The three dimensional flow field in the triple-screw extruder with triangle configuration is the research objects of this task, including velocity field, pressure field and shear rate field etc., simulate the representative flow field in metering section of the triple-screw extruder, consisted of three-thread element with75mm pitch, has been simulated at the screw speed of 60, 120, 180, 240 and 300rpm and the flowing regulations in flow field and especially the role of the unique center zone affecting to the conveying and pressure generating ability have also been analyzed.

本课题以三角形排列的三螺杆挤出机三维流场为研究目标，研究内容包括速度场、压力场、剪切速率场等。模拟分析首先以螺距75mm的三头螺纹元件为代表，计算由其构成的三螺杆挤出机在60、120、180、240及300rpm转速下的流场，分析流动规律，并分析了特有的中心区在输送、建压方面的作用。

According to theories of optimization and modern education, the writer pay more attention to the practice of composition teaching in primary middle school in china, try to seek the strategy of optimization of evaluation. In this thesis, all these propositions, three-dimensional evaluation, standard three-ranked evaluation and three-linked evaluation make great effort to explore strategy of optimization.

本文对作文评价功能的确认、目标的定位，提出对象的三维度评价、标准的三层次评价、方法的三结合评价等构想，对以评语为基本特征的习作作文的优化研究和以分数为主要特征的考试作文的科学化探索。

Our quality policy is: client-centered, depending on the quality of life, innovation and development, customer satisfaction is our eternal goal.

我们的质量方针是：以顾客为中心，视质量为生命，以创新求发展，顾客满意是我们永恒的目标。

In this thesis, aiming the deformation and failure regularity and the stability assessment of slope, a comprehensive study was made to the Badong city slope, in light of the modern engineering geology and structural geology.

论文以巴东新县城斜坡变形破坏发育规律及稳定性的分析评价为主要目标，以构造解析为主要研究思维，采用综合研究的手段，对巴东县城斜坡进行了深入系统的研究，主要取得以下几方面的成果

Major restricting factors of meteorological services in the countryside include low level of technology,lack of an effective disaster alarming and responding system,inadequate investment,poor development awareness of meteorological resources,etc.To improve the capacity and efficiency of meteorological services in building socialist new countryside,with protecting agr...

提升气象为新农村建设服务的能力和水平，应当以保障农业生产和农民生命财产安全为主要目标，提高气象预报的准确率和气象服务的精细化水平，完善以公共财政为主的气象投入机制，加强农村气象服务的基础设施建设，提高气象信息的传播效率和覆盖面。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。