可利用性

We can use the additive property of the integral .

我们可利用积分的可加性。

After theoretic analyzing support vector machine technique, the equipollence of support vector classification and regression problems is proofed, and a uniformed expression of support vector machine problem is gotten. The noise stained case is studied emphatically, and the experiment shows that a better result will be obtained by assigning weight factor to fit noise distribute characteristic. A multi-multiplier minimal optimization algorithm for norm-1 problems is deduced, and a kind of improved Gilbert geometric algorithm for norm-2 problems is introduced, which is applied in regression problems successfully.

课题细致深入地讨论和研究了软测量模型的三个基本问题，首先是软测量模型的可实现性，即软测量模型存在唯一解的条件，以及知识利用的度量等一些相关的概念，体现出混合软测量模型在知识利用有效性上的优势；然后对模型不确定性的概念进行了讨论，研究了模型可靠性问题，得出测量精度与软测量模型可靠性之间的关系；最后讨论了软测量模型与传统软测量方法的关系，说明软测量模型是传统软测量方法的发展。

That time which we really improve, or which is improvable, is neither past, present, nor future.

自神性被示现以来，时光并未流逝，我们真正利用抑或可利用的时间，不在过去，不在当前，也不在未来。

The new algorithm effectively combines the advantages of ACO and PSO. It adopts the grid method for environment modeling and makes use of the efficiency and succinctness of PSO to obtain the initial distribution of pheromone, reducing the number of iterations and accelerating the convergence. At the same time, by using the parallelizability of ants and distributed parallelized-searching technology, the performance of the algorithm is effectively improved.

该方法有效地结合了粒子群算法和蚁群算法的优点，采用栅格法进行环境建模，利用粒子群算法的快速简洁等特点得到蚁群算法初始信息素分布，以减少迭代次数，加快算法的收敛速度；同时利用蚁群算法之间的可并行性，采用分布式技术实现蚂蚁之间的并行搜索，求解精度高等优点，求精确解。

Assulta was studied in the present paper. Based on the successful reciprocal crosses, sex ratio and fertility of the hybrids in larvae, pupae and adults were investigated. In addition, the physiological mechanisms and genetic basis of host plant ranges of H.

在此基础上，利用解剖和观察等方法对子一代幼虫、蛹和成虫的性别比例和可育性进行了较为系统的研究；并利用比较的方法对棉铃虫和烟青虫食性广度的生理机制和遗传基础进行了初步研究。

The strongly nonlinear pore structures of pulverized coals can be described by the fractal theory. The pore fractal dimensions of 10 pulverized coals, which are in the range of 2.572~2.722, were analyzed on a N2 adsorption porometer. The apparent viscosities of coal water slurries were measured on a Haake rotary viscometer.

用分形理论能描述具有强烈非线性特征的煤粉孔隙结构，利用氮吸附仪分析得到10种煤样的孔隙分形维数为2.572~2.722，利用Haake黏度计测量水煤浆黏度，讨论了孔隙分形、水分、氧量和可磨性指数等对水煤浆性质的影响规律，得到相关的拟合经验公式。

The VSCF DFIG wind power generation is transient response proceeding, which is influenced by operation characteristics of generator before and after grid connected. A novel S-Function is adopted to describe the mathematic model of DFIG based on state equation. A complete simulation model of VSCF DFIG wind power generation system based on MATLAB/Simulink and SimPowerSystems is established, which can be used to not only simulate subsystems of no-load operation and generation operation, as well as can be used to but also accurate control parameters of DFIG in simulation. The simulation model have excellent transportability, and can be used DFIG of different power rated if only design relevant controller.

变速恒频双馈电机风力发电是一个受并网前后发电机运行状况影响的暂态过程，利用MATLAB的S-Function编写DFIG的仿真程序，然后结合Simulink和SimPowerSystems工具箱，开发了基于S-Function的空载运行和发电运行的变速恒频双馈电机风力发电子系统模型，在仿真过程中可对双馈电机进行精确控制，然后对其进行了系统整合，本文开发的模型具有可移植性，只要再设计相应的控制器，就可应用于不同功率等级的双馈电机风力发电系统。

At Present, most of rice water savings irrigation techniques are focused on farm level, less attention has been given to the fact that water can be reused in a large scale and there is a scale effects in water reuse.

当前水稻节水灌溉技术的研究大都侧重于田间尺度，没有考虑水具有可重复利用性以及重复利用中尺度效应的存在。

The invention is a method for designing and preparing binary reinforced damping magnesium alloy having medium rigidity, medium strength, high-medium damping and medium raw material cost, the prepared alloy is beneficial for balancing required elements in practical application, including optimized rigid, wide frequency band, wide strain amplitude, wide temperature zone, strength, enough high-temperature-resistance, creep resistance, toughness, price, anticorrosion treatment and heat processing, and is beneficial for solving the problems in industry, such as lacking of variety of damping magnesium base alloy, selecting and using of rare-earth resource or drawback of substitution.

设计和制备中等刚度、中等强度、上中等阻尼性能和中等原料成本的二元增强阻尼镁基合金的方法，得到的该合金有利于平衡优化刚度、宽频段、宽的应变振幅、宽温度区间、强度、足够耐高温、抗蠕变、韧性、价格、利于防腐处理和利于热加工等实际应用中需求的要素，利于解决工业上可供选择的阻尼镁基合金品种不多以及稀土资源选择利用或替代利用性不足的问题。

These results suggested that spearmint and perilla may have potential for the prevention or delay the oxidative damage and utilize the oil of spearmint and perilla to develop the good antibacterial agent, to further reduce nosocomial infection.

本研究结果显示，可利用薄荷及紫苏发展出预防或减缓氧化伤害之机能性食品及利用薄荷及紫苏精油发展出良好之抑菌剂，进一步减少院内感染发生。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。