有系统的

The results indicate that a UWB interferer has minimal interference to the performance of IEEE 802. 11a system in line of sight scenarios, and IEEE 802. 11a can maintain reliable communication. However, in the non LOS case, a UWB interferer can severely affect the performance of IEEE 802. 11a systems; meanwhile, an IEEE 802. 11a WLAN interferer can also severely affect the performance of UWB receivers.

结果表明：在视距环境中，UWB干扰对IEEE 802.11a系统的性能影响不大，IEEE 802.11a系统可以维持正常的通信；在非视距环境中，UWB信号对IEEE 802.11a WLAN系统的性能有很大影响，同时IEEE 802.11a WLAN干扰也会严重影响UWB接收机的性能。

Lastly, this paper discussed the invertibility of discrete nonlinear systems and the construction of ANN α-th order time-delay inverse system for the linearization and decoupling of discrete nonlinear system is proposed.

从逆系统理论的完整性出发，本文探讨了离散非线性系统的可逆性，并给出具有线性化和解耦能力的神经网络α阶时延逆系统的结构及其实现。

Further, the paper also discusses the effect of parameter changing to the system; it has important reference value to improve the design of control system in Adding medicament.

此外还讨论了系统的各个参数变化对系统产生的影响，对今后改进加药控制系统的设计有重要的参考价值。

On this background, I designed the system based on mini-computer chip and hydraulic equipment. The traditional systems are more complex, their efficiency and precision are not so high. While my design use the hydraulic element as the executive cell, and use the mini-computer as its control part. By this way, we can get a better system.

本设计在这样的背景下设计了用液压与单片机联合控制的控制系统，这里采用液压元件作执行机构，控制部分由电磁换向阀和微机系统共同实现，这样不仅大大简化了以前的液压系统，而且使机器的印花质量和效率也会有一定的提高。

We present the equation which satisfies the transient distribution of L for the three special cases M/M/1, GI/M/1 and M/G/1 queue of GI/G/1 queueing system, and proves that the length L of GI/G/1 queueing system satisfy three types of equation, and their minimal nonnegative solution are unique bounded solutions.

给出GI/G/1排队系统及其三个特例M/M/1，GI/M/1和M/G/1排队系统的队长L的瞬时分布所满足的方程。证明GI/G/1排队系统的队长L满足三种不同方程，并且是这些方程的最小非负解，也是唯一有界解。

The breakthrough point of this thesis is to make use of newsvendor"s model to explain the behavior of double marginalization in the Specialization system with Specialization Advantage, which is not accordant with the statement of" double marginalization " in economics (see Tirole,"the theory of industrial organization, P222-230). On the condition of Specialization Advantage, double marginalization may play positive role in the economy of the system.

论文的切入点是，利用报童模型来说明在具有分工优势的专业分工系统中双重边际效应的表现，这与经济学中对"双重边际效应"的表述参见Tirole(泰勒尔，《产业组织理论》，p222-230不完全一致，在有分工优势的条件下，双重边际效应可能对系统的经济性有积极的作用。

The first is that a symplectic structure or a Poisson structure exists on the even dimensional phase space or on the odd dimensional phase space of the corresponding equations. The second is that there is another symplectic structure or another Poisson structure on the generalized phase space which consists of original phase space and independent variable space.

第一、系统在相空间上存在一个一般辛结构或者Poisson结构；第二、系统整体在包括了自变量的增广空间上存在一个一般辛结构或者Poisson结构；第三、第一个结构若是依赖于自变量，那么系统必然受到外力作用（偏微分方程也有特殊的情形，我们在第五章会加以说明），而第二个结构的则给出了第一个结构和外力之间确切的对称关系。

1 For water out of hydraulic system: adopt blocking and draining methods, unique draining structure is designed at the guide sleeve of the piston rod in pumping oil cylinder, which makes the water leaked into the scraper seal converging in the waterspout and drained through the osculum, thus avoiding the water getting into hydraulic system through the seal.

对于液压系统外水分：采取堵，排共施的策略，在泵送油缸活塞杆导向套处 2009 年第 1 版( The first edition in 2009) 18 HBT60.13.90S HBT60.13.90SC 设计有独特的排水结构，其可将渗入防尘圈的水汇聚于排水槽内并通过排水孔排出，从而避免了水分通过后面的密封进入液压系统，做到将水分拒之于系统之外。

And then expands it to an open framework for recommendation system. Based on PIR framework, we can integrate new algorithms easily.

之后阐述了智能推荐系统产生的必要性，详细讨论了智能推荐系统在电子商务和数字图书馆系统当中的应用，总结了当前比较有代表性的各种智能推荐算法，并给出了对智能推荐算法的有效评价方法。

The degree of integration had positive relations with the degree of career development, however, the conflict ratio had negative relations with the degree of career development, and the degree of differentiation had inconsistent relations with the degree of career development; in study two, the Primitivity type held lower degree of career development and the Control type possessed higher degree of career development as predicted by the theory, while the other types were somewhat vague in between.

建构系统之统整性与生涯感受、生涯信念、生涯认识、思考广度与生涯计画等变项呈现出同方向的互动关系，而冲突性则与上述变项有反向的关系，分化性与生涯发展程度的关系则较不一致。质化资料分析结果亦显示出在生涯建构系统两极端之原初型与笃行型有较明显的生涯发展特徵，前者的发展程度偏低，后者则偏高，但处於两极端中间之慎思型与明辨型的生涯发展程度较为混淆不清。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。