查询词典 pi

Based on the principle analysis,this paper compares the integrated absolute error value of two kinds of controllers,and this reflects the superiority of internal model controller in some way.

该文分析和比较了内模控制器和PI控制器在克服时间滞后方面原理的不同；并在分析原理的基础上，通过仿真实现了两者在绝对误差积分方面的比较，在一定程度上反映了内模控制器比PI控制器优

At the very beginning of the introduction of Pi-pa music, it is rejected, which is the indication of cultural conflict. The emergence of the absolute Pi-pa music is due to the identity and combination with elegant culture.

琵琶初入中土，受到的拒斥是文化冲突的表现；其文曲出现的主要原因是与"雅文化"认同、融合的结果；琵琶文曲的艺术原理中表现出典型的传统美学的辨证法则。

The family of Pi Bai Hao thinks, pi Bai Hao is treated unjustly, arresting him is a purpose " bespatter Moslem community ".

皮伯郝的家人认为，皮伯郝是被冤枉的，逮捕他是企图"诋毁穆斯林社区"。

The design method of fractional Controller for angle stability loop and mass center control loop of GREP was studied.The fractional PI~λD~μController and integral PID Controller were designed respectively for some type GREP.The simulation results show that the fractional PI~λD~μController designed by this method has its own features compared with PID Controller.

研究了滑翔增程炮弹角稳定回路和高度控制回路的分数阶控制器设计方法，并对某滑翔增程炮弹算例分别进行了分数阶控制器和整数阶PID控制器设计，仿真结果表明该设计方法设计的分数阶控制器较PID控制器有其自身的特点。

To observe the effects of Yun-Pi Prescription of different doss on endurance of rats with splenic asthenia and to explore the mechanism of Yun-pi Prescription in treatment of children apositia.

观察运脾方不同剂量对脾虚大鼠的耐力作用，探索治疗儿童厌食症的有效方药运脾方临床治疗效果的作用机理。

［Objective］ To observe the effects of Yun??Pi Prescription of different doss on endurance of rats with splenic asthenia and to explore the mechanism of Yun??pi Prescription in treatment of children apositia.

［目的］观察运脾方不同剂量对脾虚大鼠的耐力作用，探索治疗儿童厌食症的有效方药运脾方临床治疗效果的作用机理。

And once a year many of them gather to talk about pi, rhapsodize about it, eat pi-themed foods (actual pie, sure, but so much more), have pi recitation contests and, just maybe, feel a little less sheepish about their unusual passion.

每年一度，他们聚集在一起高谈阔论有关π，吃以π为主题的食物（真正的派，当然了，还有很多其他食品），举行π背诵比赛，也许他们稍稍为自己的特殊兴趣感到有点害羞。

And once a year many of them gather to talk about pi, rhapsodize about it, eat pi-tt8d foods (actual pie, sure, 8ttt8.com so dddtt.com more), have pi recitation contests and, my.ssbbww.com maybe, feel a little less sheepish about their unusual passion.

每年一度，他们聚集在一起高谈阔论有关π，吃以π为主题的食物（真正的派，当然了，还有 8t t t8其他食品），举行π背诵比赛， ssbbww.Com 他们稍稍为自己的特殊兴趣感到有点害羞。

Compared with homo-polymimdes and copolymimdes,PAIs can evidently improve mechanical properties while maintaining excellent solubility,high Tg and thermal stability of fluorenyl cardo polyimides.

与均聚PI，共聚PI相比，PAI在维持芴基Cardo型PI优异的溶解性，高的玻璃化转变温度及热稳定性的同时，明显改善(来源：A60d626BC论文网www.abclunwen.com)力学性能。

Considering the technical requirements,the stability andthe steady performance,the quantitative requirement for sampling frequency is present indiscrete control system.Considering that there is a step delay in discrete control in grid on inverter with a Lfilter,the quantitative relationship between critical FCCR and sampling frequency isanalyzed,and the steady performance is analyzed.Considering the technical requirements,the stability and the steady performance,the quantitative requirement for samplingfrequency is present in discrete control system with a step delay.

在L型并电加热管网中，考虑到离散化控制存在滞后一拍的问题时，本文分析并获得了离散PI控制系统稳定范围时闭环根临界频率fnmax和采样频率fs之间的定量关系；针对存在滞后一拍可能引起系统稳态特性下降的问题，分析了PI控制滞后一拍对频域特性造成的影响，综合考虑并网指标、稳定性要求和离散化对稳态特性影响三个主要因素，推导了存在滞后一拍的离散化PI控制对最低采样频率的量化要求。

And discuss some key point of integrated management system design, include hazard identification and risk assessment and risk control in the occupational health and safety management, the measure of satisfaction target of customer, the flawlessness of law system, the integration of the integrated management system and enterprise standardization system, unify lead institution and work orgnization, integreted internal audit and integrated management review.

同时，论述了一体化管理体系构建中的几个主要问题，包括职业健康安全管理中的危险源辨识、风险评价和风险控制、顾客满意度的科学监测、法律、法规体系的完善、一体化管理体系与企业标准化体系的有机结合、统一的领导机构和工作机构、一体化的内部审核和管理评审。

Deepwater Taranaki is investigated for its petroleum potential, using all available seismic data tied to shallow-water wells.

运用与浅水井相关的现有全部震波探测数据考察了深海区塔拉纳基盆地的油藏前景。