无系统的

The author did the tracking test to four kinds of exist using energy-saving motors of sucker rod pumps,compared and analysed the tested data on the wattless losses,wattful power,single consume to output of fluid,energy-saving rate and average system efficiency of pump units.

跟踪测试了孤东油田目前在用的4种有杆抽油机节能电机，利用科学、准确的实测数据，从无功损耗、有功功率和产液量单耗、节电率、抽油机平均系统效率等方面进行了对比分析。

This paper advances the idea of measuring power of three-phase load,by using one Wattmeter,and draws circuit.

系统研究、总结了通过使用一只瓦特表测量得出三相负载的总有功功率和无功功率的思路，并给出接线电路图。

Voltage quality is one of main index that judge quality of power system electric energy, having merit compensation is construction of electrified wire netting and transformed main component.

概要： 电压质量是衡量电力系统电能质量的重要指标之一，无功补偿是电网建设和改造的重要组成部分。

Handle male alvine appearance contrast is evener, have those who rely on make water of tactile make water rarely, see those married men, system of the vision when pee does not have the ground of use force, an abdominous other what to see also be lost sight of only.

处男小腹相对比较平坦，很少有靠触觉尿尿的，看看那些结婚了的男人，小便时视觉系统就无用武之地了，只看个大肚子其他什么也看不见。

This paper designs TCR TSC SVC controller based on non affined nonlinear model .

对由晶闸管控制电抗器型装置与多个晶闸管开关电容器型装置组成的静止无功补偿系统建立了一个新的非仿射非线性模型。

The comparison of sequences showed that the determined sequence was most similar to those in GenBank (AF016546)(similarity level, 97.9%), Phylogenetic analysis indicated that the resulting sequence was more similar to those of Mycoplasma spp.(homo!ogy level, about 70%), but was farther from Anaplasma spp.( homology level, about 50%).

系统发育分析表明，所测序列与支原体属病原代表种的序列接近，同源性约为70%，而与无浆体科病原代表种的序列相差较远，同源性约为50%。

The flattened Gaussian beam is taken as an illustrative example, and the propagation of FGBs passing through unapertured and apertured paraxial ABCD optical systems is expressed in the analytical form.

以平顶高斯光束为例，推导出了它通过无光阑和有光阑的近轴ABCD光学系统传输的解析表达式。

An improved genetic algorithm based on "approximative elite","study operator" and "chaos operator" has been presented in this paper according to the features of reactive power optimization in power system.

中文摘要：根据电力系统无功优化问题的特点，提出了一种基于近似最优个体、学习算子和浑沌算子的改进遗传算法。

The asymptotical stability (oscillation-free) of this algorithm is proved.

证明了它的无振荡稳定性，推导出使得系统性能达到最佳的参数设置。

By using comparison principle, the sufficient conditions of this model with global attractivity of infection-free periodic solution and system permanence were obtained.

研究一类具有阶段结构和脉冲免疫的SIR模型，利用比较原理得到此模型无病周期解全局吸引和系统持久的充分条件，并利用数值模拟验证结论。

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。