几分

These methods will be studied separately with the Euler implicit difference scheme and the Euler explicit difference scheme.

第一种方法是两层有限元Galerkin方法，第二种方法是修正有限元Galerkin方法，对这几种算法我们分别在欧拉显式差分格式和欧拉隐式差分格式下进行讨论研究。

Here's an example of this phenomenon: Before Mount Holyoke went test-optional, in 2001, its middle 50-percent SAT range (a frequently cited test barometer) was 1170-1360. A few years later, with roughly 70 percent of freshmen submitting scores, the range jumped 60 points on both ends.

举个这种现象的例子来说：在里约克学院实行测试可选制之前的2001年里，50%的报考学生的 SAT 成绩在1170—1360之间波动；几年后，大约70%的新生提交了成绩单， SAT 成绩最高最低分均上升了60分。

Based on the isoperimetric graph partitioning method, we propose several practical segmentation algorithms. The first is the iterative two-way cut method which can segment an image into pieces with particular characteristics each other by iteration. The second is simultaneous K-way cut method which divides the image into K parts synchronously. The last is an interactive method separating objects of interest from the background by the user's input specifying the object of interest manually.

基于等周分割方法，我们提出了几种实用的分割算法：第一种是迭代2分方法，它通过迭代的方法将图像分割成各具特征的小区域；第二种是同时直接K分法，同时将图像分割成K个部分；最后一种方法是交互分割法，它依赖人工输入来指定所要分割的感兴趣目标，将图像目标从背景中分离出来。

The abstract result contains several concrete results in the literature and can also be used to deal with some new cases for resonant differential equations.In the introduction, we briefly introduce the development process of the variational methods. In Chapter 2, we list some basic knowledges refering to the variational methods, including the Sobobev space,—△ operator, the weak solution and the minimizing sequence methods and some minimax theorems. In Chapter 3, we introduce the research process of Hamiltonian system of second order and the semilinear elliptic problems, using the methods introduced previously. In Chapter 4, we prove the main theorem of the thesis, and apply it to the problems in the previous Chapter, and can also be applied to some new resonant cases.

在前言中，简要介绍了变分法的产生、发展过程，在第二章中我们介绍了有关变分法的一些基本知识，包括Sobolev空间，—△算子，弱解，极小化序列方法和一些极小极大定理，在第三章中我们介绍了非线性项有界或满足次线性条件，以及它满足推广的Ahmad-Lazer-Paul条件时，二阶Hamiltonian系统和半线性椭圆问题的研究历程，最后在第四章中我们证明了本论文的主要定理，并把它应用到第三章的问题中，使得前面的几种共振的情形都可以统一到这个抽象的结果中。

On the distribution transformer, whose impedance is independent of varying load while the frequency is higher than 25KHz, and the parallel resonance frequency of which is in 3~10KHz.

由探讨知，杆上配电变压器的并联共振频率约在3~10KHz之间，在此频率范围，信号的分路损失最小，又载波频率立於25KHz时，其分路损失几与负载的变动无关。

On the disribution transformer, whose impedance is independent of varying load while the frequency is higher than 25KHz, and the parallel resonance frequency of which is in 3~10 kHz.

由探讨知，杆上配电变压器的并联共振频率约在3~10kHz之间，在此频率范围，信号的分路损失最小，又载波频率高於25KHz时，其分路损失几与负载的变动无关。

Can be treated as that penny a so-called dignity to let me be able to support till now, but I realize mistake finally, that penny can let me prop up to the dignity root of now is unworthy and several money, I follow and cant see take up a post what future in the aspects of design originally.

可以说是那一分所谓的尊严让我能撑到现在，可是我终于醒悟了，那一分能让我支撑到现在的尊严根本不值几个钱，我跟本不能在设计方面看到任何未来。

The following are the major work in this thesis which has been studied and still needs to be studied further in the future: 1 An improved adjoint variational method is developed, thus it can be applied to the LAGFD-WAM Wave Numerical Model for data assimilation; 2 A linear evolution equation of spectral perturbation is derived in order to analyze its increasing or decreasing mechanism.

本论文主要完成了以下几个方面的研究： 1）建立了推广形式的共轭变分同化方法，使之能够应用于LAGFD-WAM海浪数值模式； 2）导出了扰动谱线性演化方程，分析了扰动谱增长、衰减机制，考察了涌浪情况下扰动谱的持续时效问题及风浪情况下扰动的演变过程； 3）利用波谱共轭方程初步分析了同化模型中距离泛函的敏感性及敏感区域空间分布； 4）将推广的共轭变分方法应用于海浪谱能量平衡方程，建立了连续形式的海浪同化模型，特别是严格导出了风输入、破碎、底摩擦、波波非线性相互作用和波流相互作用各源函数的共轭源函数表示式； 5）分别进行了波谱层次上和有效波高层次上的同化试验，并对数值结果进行了分析。

In the whore-house in Yangzhou he had never had more than a tael or two in his possession, and now suddenly he was about to become a wealthy man. Why, even when he'd been gambling at the Palace he'd never won much more than twenty or thirty taels at a sitting―at the very most a hundred or two.

韦小宝脸色都变了，他在扬州妓院中之时，手边只须有一二两银子，便如是发了横财一般，在皇宫之中和人赌钱，进出大了，那也只是几十两以至一二百两银子的事，突然听到一分便分到五十万两，几乎不相信自己的耳朵。

The examination falls into two parts: the written test and the operation test. The written test is to check one's basic electric knowledge, which includes electric control theories, installation standards, etc. The operation test is a bit difficulty. Firstly, you have to connect several major loops and control loops appointed by the examiner within limited time. If you do right, the electricity is connected, the bell rings and the light turns on, then you will pass the test; but if it explodes and emits smoke, then you will not only get zero score but be scolded. Life is not a game, and one should never pretend to know things that he does not know.

考试分笔试和操作二项，笔试的内容都是最基本的电工知识，电气控制原理，电气安装规范等等，而考操作就有难度了，首先要你在规定的时间里接好考官指定几的主回路和控制回路，接对了，通上电，灯亮铃响顺利过关；若是爆炸冒烟，那不仅没分还要挨骂，生命不可儿戏，不懂不能装懂。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。