象限

It has outstanding differences between customer's importance and satisfaction of service quality. According to the importance-satisfaction matrix analysis, the second quadrant is the「first-improved zone」. The improved items include :「TWC servants help their customer to solve problems at full steam.」,「TWC charges customers correctly.」 and 「TWC customers can get any information aforehand.

研究结果显示服务品质重视程度与满意程度有显著性的差异，依台水公司用户服务品质重视程度与满意程度分析图而言：第二象限「优先改善区」急需改善的项目分别是「台水服务人员会在用户遭遇问题时尽力协助解决」、「台水计费及抄表数据记录准确可信」、「台水用户可事先获知自来水工程施工停水讯息」等。

Your entire Solar System is gradually being towed to a new location closer to Alcyone and also into a new Energy River at some point which will also further sustain this Solar System.

你们整个太阳系正在逐渐被拖拉到新的更接近昂宿六（昂宿六：昴宿星系以及我们的本地象限太阳系的中心太阳）的位置上。

The fast axis angle of the quarter-wave plate is obtained through the four light intensity values.

通过检偏器组的四束光束的光强由四象限探测器同时测量。1/4波片的快轴方位角由这四光束的光强得到。

Arc tangent of two variables -- pass in two values like, and you'll get the atah, adjusted to the proper quadrant.

两个变数的反正切--传两个像是的值，你会得到atah，调整到适当的象限。

The contact area and contact pressure in anteromedial and posteromedial quadrant tended to decrease, while, the contact area and contact pressure in anterolateral and posterolateral quadrant tended to increase.

结果］通过模拟试验发现，腓骨短缩时，胫距关节总接触面积呈减小趋势，前外、后外象限的接触面积、接触压呈增大趋势，而前内，后内象限的接触面积、接触压均减小。

According to the definition and the distribution of VSR's voltage space vector, the introduction of a rule-based SVPWM current control strategy, with non-fixed switching frequency and dual hysteresis loops, that obviously improves the performance of current control. Based on two kinds of control strategies of VSR under unbalanced grid condition, the introduction of a new VSR control strategy featuring undamped-oscillation that simplifies the controller structure and effectively improves VSR's performance under unbalanced grid condition. A systematic description of the state switching in trilogic PWM signal generation of threephase CSR by using the conversion between bilogic and trilogic switching functions.

作者在如下工作的基础上对PWM整流器的一些关键问题提出了自己的研究思路、观点和方法：根据PWM整流器网侧矢量关系，直观地描述了其四象限运行的基本原理及特征；定量分析了VSR、CSR的PWM换相过程及波形特征；引入等效变压器模型并详细分析了VSR、CSR基于d—q模型的动、静态特性；提出了满足四象限有功、无功运行指标时的VSR交流侧电感设计方法；并提出了依据控制系统跟随性和抗扰性性能指标设计VSR、CSR直流侧储能元件的参数计算方法；在研究了VSR电流控制策略基础上，提出了影响VSR电流控制的几个要素，并进行了定量分析；根据VSR空间电压矢量的定义及分布，提出了基于规则控制的不定频滞环空间矢量PWM电流控制策略，并由此提出了具有双滞环特性的不定频滞环优化SVPWM电流控制策略，有效地改进了滞环PWM电流控制性能。

Results DR could shorten the escape latency and increase the number of passing plats and the swimming distance of the fourth quad compared with the other quads.

结果治疗组能缩短潜伏期、增加过台次数，第四象限与其它象限游泳距离之间比较也有差异，说明地黄饮子能改善痴呆大鼠空间探索记忆能力，低剂量组已经显效，高剂量组效果更为明显。

Information entropy, coincidence degree and its standard errors of axle centre trail quadrant area vector under different bearing states are extracted, the sensibility degree of the different parameters for the bearing states in different quadrant division is analyzed. By modifying the parameter compute method, the sensibility degree is improved.

提取各典型状态下轴承轴心轨迹象限面积向量的信息熵，和多周期面积向量的重合度以及重合度标准差，分析在不同象限划分下，各特征参数对状态的敏感程度，通过改进特征参数计算方法，提高对状态的灵敏度。

Methods Thirty-eight patients with mild to modcrate periodontitis were debrided using both A.system(VectorTM-system)and B-systemSuprasson P5 Newtron(Rin a split mouth design.At baseline,one month after treatment,plaque indexand bleeding on probingwere recorded and probing depthWas measured.

选择38例轻、中度牙周炎患者，对患者口内一、四象限用奇数、偶数随机法选择AVector治疗仪，德国D(URR齿科公司或BSuprasson P5 Newtron(R超声多功能牙科治疗仪，法国赛特力公司超声治疗仪进行治疗，第2天对二、三象限使用另一系统进行治疗。

Combining theoretical analysis with experimental demonstration,the mathematical models of the quadrant and the mechanical gravity- pendulum tilt sensor are built.

通过理论分析建立了象限仪读数和机械重力摆式倾斜传感器输出的数学模型，运用数学推导的方法描述了火炮耳轴倾斜随火炮纵倾的关系，从理论上阐明了用象限仪标定炮耳轴倾斜传感器产生误差的原因及其量值，通过试验进行了验证，并提出了解决方法。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。