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Based on the assumption, the proposed method solves the linear channel parameters of each path and creates a channel matrix which can be used for ICI cancellation.

基於这个假设，我们解出线性的通道参数进而重建通道矩阵，目的去消除载波间的互相干扰。

Baidu collects pelter, make website discharge many decrease, say really, see collect one every day decreasing, IP one every day be in petty, psychology still is not flavor a bit really, but do not have method, no matter you are in,gave an issue how is sadness otiose, you recall the way that solves a problem only just is the most important, state of mind, I say with oneself all the time.

百度收录骤降，使得网站流量大量减少，说真的，看到收录一天天的在减少，IP一天天的在委琐，心理还真有点不是滋味，可是没办法，出了问题无论你在怎么悲伤都是没有用的，你只有想出解决问题的办法才是最重要的，心态啊，我一直和自己说。

This paper solves the stress intensity factors K_1 in fracture mechanics with the techniques of photoelasticity and dislocation.

用光弹性法和位错法两种方法求解工程断裂力学中的应力强度因子K1，通过实验法和数值解法所得结果相比较，可得其解值与实际均基本吻合，满足工程实际要求。

The number shape is hit by mentality in common use combining with being that the mathematics solves problems , shape is can make some abstract mathematics problems perception-rization , pictorialize , vivid-rization in the thought being tied in wedlock , is able to change an abstratc thinking into the thinking in images , is helpful to the nature grasping the mathematics problem.

数形结合是数学解题中常用的思想方法，数形结合的思想可以使某些抽象的数学问题直观化、形象化、生动化，能够变抽象思维为形象思维，有助于把握数学问题的本质。

Based on the factors of mass economy,the paper establishes a multi- warehouse location model which takes the sum of minimized supply costs,transport costs and fixed costs as the goal and within which supply costs are expressed by piecewise linear cost function,solves the model with a genetic algorithm and shows an example.

在考虑规模经济的因素下，以最小化项目的供货成本、运输成本与固定成本之和为总目标建立了一个多仓库选址模型，其中把供货成本用分段线性函数表示，体现了厂商存在的规模经济效应，并采用遗传算法对模型进行求解。

The basic approach that solves these problems develops piscatorial property namely with contemporary fishery concept.

解决这些新问题的根本途径就是用现代渔业理念来发展渔业产业。

The invention relates to a light pumping system for all-solid laser, particularly a light pumping system for disc type laser, comprising heat sink, laser crystal, optical fiber, plane reflector, a first concave reflector, a second concave reflector, and a third concave reflector, and adopting a structure that the plane reflector is between the optical fiber and the first concave reflector, to make the LD and laser cavity on the same side of the laser crystal, thus reducing the packaged size of the laser; the invention fixes the plane reflector on the heat sink to reduce the inclined incident angle of the pumped light beam, thus the pumped light can be fully absorbed, and the invention solves the problem of pumping efficiency and largely reduces the bulk of the laser, beneficial to the all curing of the product and ensuring the cooling requirement of the laser crystal.

本发明涉及全固体激光器的光泵浦系统，特别是一种盘式激光器的光泵浦系统。包括热沉1、激光晶体2、光纤3、平面反射镜4、第一凹面反射镜5、第二凹面反射镜6、第三凹面反射镜7，本发明采用平面反射镜位于光纤与第一凹面反射镜之间的结构，使LD和激光腔位于本发明激光晶体的同一侧，从而减小了激光器的封装尺寸；本发明将平面反射镜固定在热沉上，使泵浦光束斜入射角减小，泵浦光则能充分吸收，为此，本发明解决背景技术采用第一凹面反射镜使泵浦光束斜入射角过大引起的像散，泵浦光斑变形引起泵浦效率降低问题，使得本发明可选用大面积半导体制冷器，避免使用水冷，则激光器的体积大大减少，有利于产品的全固化，保证了激光晶体的散热要求。

Grain makings billabong, build grow line of business 3 yuan of structures are the inevitable choice that solves problem of loess plateau commissariat.

粮料分流，建立种植业三元结构是解决黄土高原粮食问题的必然选择。

The discharge calculation coefficient k,x can be used to the discharge calculation under the condition of fixed numerical value,solves some special demands in water power planning and design and similar calculation of unsteady flow in the pondage water power station.

马斯京根法流量演进系数K，x，在数值不变的条件下应用于河段短时段的流量演算，解决了水利水电工程规划设计中的一些特殊要求和水电站日调节不稳定流演进的近似计算问题。

Arrival of information age require people learn study of independence, on the basis of to is it is it set up on a complicated one , meaningful problem among the situation learning to mean to learn independently issue, is it on positive angle of person who solves problem , is it is it reflect student true world situation bad to construct the question to face to go directly to put, through solving the complicated practical problem , train students' question to ask the tactics of solving , develop the basic discipline knowledge foundation and basic skill at the same time .

信息时代的到来要求人们学会自主性的学习，基于问题的学习是自主学习的一种，它是把学习设置于复杂的、有意义的问题情境中，将学生置于积极的问题解决者的角度，直接去面对反映真实世界情境的劣构问题，通过解决复杂的实际问题，培养学生的问题求解策略，同时发展基本的学科知识基础和基本技能。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。