APEC并非一个正式的组织，而是一个来讨论重要经济问题的场所，同时也是让环太平洋地区各首脑们交流想法和互换思想的机遇。
It is not a formal organization, but rather a venue for discussion of key economic issues - a chance for leaders across the Pacific Rim to share thoughts and ideas.
交流会地址：北京石景山区晋元庄路5号（西五环晋元桥西北角）北方工业大学主校区内。
The address of the exchange: Beijing Shijingshan District Jinyuanzhuang Road, NO. 5(Northwest corner of the Jinyuan bridge at the west of fifth ring )in the main campus of NCUT.
针对三个不同的运动阶段，建立了包含交流伺服电机速度环的被控系统的完整的数学模型。
Considering the three different moving processes, complete mathematic model of controlled system that includes velocity loop of alternating current servomotor, is established.
采用交流伺服电机和机械驱动进给系统的冷轧环机，其进给伺服控制系统的设计需要一个新的工艺动力学模型。
The feed drive system of a precision cold ring rolling mill adopts AC servo motor and mechanical transmission, rather than conventional electro-hydraulic actuator.
作者根据自己工作经验，提出了交流电磁铁芯短路环的几种安装方式优缺点及工艺上应注意的问题。
On the basis of working experience, some vital problems concerning several mounting methods, merits and faults and the process of AC electromagnetic core of short circuit ring are mentioned.
然后根据交流侧和直流侧的功率平衡方程，推导了电压环的小信号模型。最后基于该模型设计了一种高动态性能的直流电压调节器。
Subsequently, a novel controller for DC bus voltage regulation is put forward according to the small signal model based on the instantaneous power balance in AC and DC sides of three-phase SAPF.
针对滑差频率矢量控制交流调速系统，提出并设计一种模糊滑模控制算法对速度环进行控制。
An algorithm for fuzzy sliding mode control was proposed for AC speed drive with a slip frequency vector control.
这部分在这一课中非常重要，因为在这一环节中学生说和与别人交流的能力将会得到很好的锻炼。
This part is very important of the lesson. The ss 'abilities of speaking and communication will be well trained.
讨论了张力控制系统的构成原理，设计了以可编程控制器控制的交流伺服系统，实现该设备的可控非回转体环向缠绕运动；
Next, discussing structuring truth of tension control system, designing that PLC control AC servo-system, achieve may control no- gyrating round fiber winding motion;
希望这里能够成为大家交流、讨论环评行情，学习英文的平台。
We hope it will become the plat where we communion, discuss EIA market and study English.
这部分在这一课中非常重要，因为在这一环节中学生说和与别人交流的能力将会得到很好的锻炼。
This part is very important of the lesson. The ss abilities of speaking and communication will be well trained.
这部分在这一课中非常重要，因为在这一环节中学生说和与别人交流的能力将会得到很好的锻炼。
This part is very important of the lesson. The ss? Abilities of speaking and communication will be well trained.
主要分析了用模糊自适应PI控制构成永磁同步电机交流伺服系统的位置环。
The position control loop composed of self-adjusting PI control based on Fuzzy inferences in AC servo system of permanent magnet synchronous motor was discussed emphaticaly in this paper.
作为一名临床医生，与患者交流时选择合适的场所和坐姿是工作中重要的一环，这样会使医患双方彼此都有舒适感。
As the clinician, it is part of your job to make adjustments to the location and seating that make the patient and you more comfortable.
然后对转鳍驱动系统进行了分析，确定了在系统中使用电流环、速度环、位置环的交流电动机控制策略。
Then the drive system of the fin stabilizer is analyzed. To give a control policy which AC motor is controlled by applying electric current loop, speed loop, position loop in this system.
采用环氧煤沥青作为涂层材料，测定了涂敷不同厚度涂层的Q 235钢的交流阻抗谱。
EIS of Q235 steel with epoxy coal tar coating was determined. It is shown that the infiltrative electrolyte amount into coating decreases with increasing coating thickness.
本文介绍了以单片机为基础的交流电压、电流直接采样的设计与实现并用锁相环CD 4046来实现相位角的采样。
The paper introduced a design and realization of direct sampling of AC Voltage and current based on a single chip micro - computer and used PLL CD4046 to realize phase Angle sampling.
这一环节是自由交流，选择您想进一步了解的异性朋友进行自由而又轻松的英文对话。
Free talk in step 3; choose the dater on your mind to get more detailed information in a relaxed atmosphere.
环网的瞬交流动计算问题较为复杂，需要求解高阶非线性方程组，对于复杂的网状结构，系统的自动识别或标记相当麻烦。
The calculation of the system is complex, because of solving high haw equation group. It is also a trouble to sign and identify for the equation group.
为了克服这缺点，提出一种交流伺服系统可重构控制器的设计方法，该控制器的各个控制环由多种控制策略组成。
For overcoming this defect, this paper proposes a reconfiguration controller of ACSS, each control loop consists of some control strategies.
为了克服这缺点，提出一种交流伺服系统可重构控制器的设计方法，该控制器的各个控制环由多种控制策略组成。
For overcoming this defect, this paper proposes a reconfiguration controller of ACSS, each control loop consists of some control strategies.
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