需要时

The system can be used alone or be integrated into other GIS systems to enhance their map projection function. map projection ; map projective transformation ; analytical ordinal transformation ; analytical athwart transformation

在GIS应用系统中往往需要管理多种不同地图的地理数据，这些不同投影的数据在进行地理空间分析或信息复合时需要坐标同化，需要将不同投影的坐标统一到同一个坐标空间中，随着G

She said,"I was very amused" I started throwin' bass, she started throwin' back mid-range But when I sprung the question, she acted kind of strange Then when I asked,"Do ya have a man," she tried to pretend She said,"No I don't, I only have a friend" Come on, I'm not even goin' for it This is what I'm goin' sing You, you got what I need but you say he's just a friend And you say he's just a friend, oh baby You, you got what I need but you say he's just a friend But you say he's just a friend, oh baby You, you got what I need but you say he's just a friend But you say he's just a friend So I took blah-blah's word for it at this time I thought just havin' a friend couldn't be no crime 'Cause I have friends and that's a fact Like Agnes, Agatha, Germaine, and Jacq Forget about that, let's go into the story About a girl named blah-blah-blah that adored me So we started talkin', getttin' familiar Spendin' a lot of time so we can build up A relationship or some undderstanding How it's gonna be in the future we was plannin' Everything sounded so dandy and sweet I had no idea I was in for a treat After this was established, everything was cool The tour was over and she went back to school I called every day to see how she was doin' Everytime that I ccalled her it seemed somethin' was brewin' I called her on my dime, picked up, and then I called again I said,"Yo, who was that?"

她说： "我感到非常好笑"我开始投掷'低音，她开始投掷'回到中间范围但当我，涌现出了问题时，她充当种奇怪那么，当我问他："做雅有一名男子，"她试着假装她说："不，我不，我只是有一个朋友"来，我什至还不算goin '，为它这就是我goin '唱你，你明白我的需要，但你说他只是朋友你说他是一个朋友，哦宝宝你，你明白我的需要，但你说他只是朋友但你说他是一个朋友，哦宝宝你，你明白我的需要，但你说他只是朋友但你说他只是朋友所以，我接拍了怎么-怎么的字，因为它在这个时候我以为只是havin '朋友不能没有犯罪'事业，我的朋友，这是一个事实如王春波， agatha ， germaine ， jacq 忘记一点，让我们走进故事约一个女孩名叫怎么-怎么-怎么说，我喜欢所以，我们开始talkin '， getttin '熟悉 spendin '了很多时间，使我们能够建立关系或某些undderstanding 它如何的好的，在未来，我们是plannin '一切听起来那么慰问和甜我都不知道我是一个对待经过这次成立时，一切都冷静巡回赛结束，她回到了学校我打电话，每天看到她是如何被doin '每当我ccalled她，这似乎somethin '，是蒲鲁贤'我打电话给她，我一分钱，拾起，然后，我再次呼吁我说，"协青社，他们是"？

ETS只接受13种货币:US dollar, Australian dollar, British pound, Canadian dollar, Danish kroner, Euro, Hong Kong dollar, Japanese yen, New Zealand dollar, Norwegian kroner, Singapore dollar, Swedish krona and Swiss franc.

而ETS接受的支付方式有4种：信用卡，电子支票，美元支票，美元汇票。另外考生如果要求重新安排考试时间或地点，则需要再支付40美金；如果需要往更多的大学递送考试成绩，则每递送一个大学需要支付17美金。考生在参加完考试之后的15个工作日后就能收到自己的新托福成绩。

ABSTRACT Aiming at problems of trans-vector controller in a vehicle-carried induction motor such as variable rotor and stator resistance following motor temperature, and their inductance varying with flux saturation degrees. Firstly, CSI and VSI are introduced, for CSI, it can hold the advantages both FOC and DTC using stator flux directional, PI parameter and simulation are also introduced. Secondly, equations of IM in the synchronous rotary frame and its static counterpart, as figuring in the saturation condition of magnetic field, are dealt in this paper and the simulation results are presented. Thereafter, the parameter designing of PI trans-vector controller is processed, which features the non-linear model. In practical realization, as neglecting the dynamical change of motor inductance, this paper employs online modification of inductance parameters, according to the flux saturation, then transforms the non-linear equations into linear ones, and so compacts the structure of controller. Thirdly, in view of the maximum torque output is extraordinary requisite when Electrical Vehicle start up, accelerate, and overtake, this paper issues the maximum torque when both inverter and battery capacity is corporeally definite. Fourthly, on-line differentiating and analyzing both rotor's time constants and its flux by using the expanding order reduction and discrete Kalman filter equation are fathomed, in order to realize high-performance trans-vector algorithm, and also the simulation results are presented. Fifthly, the close-loop regenerative brake system, when the EV's torque is set constant, is deduced; at the same time, unification of electric drive model and brake model is executed. Combined with maximum charge current demands, the mathematical model for online yielding torque as a demand.

本论文针对车载异步电机在矢量控制器所遇到的问题：定转子电阻随温度变化及随电机饱和程度变化的转子电感及定子电感而影响电机调速性能提出一套完整的解决方案：分析了电流型逆变器和电压型逆变器在实现矢量控制时控制器参数的计算，分析出对于电流型逆变器在采用定子磁场定向时，其性能同时具有矢量控制和直接转矩控制两者的优势，并对电压型逆变器在转子磁场定向下的模型进行了仿真研究；建立异步电机非线性模型，推导出考虑磁饱和时异步电机在同步旋转坐标系及静止坐标系下的方程，并做出了仿真结果，建立异步电机在非线性模型下的矢量控制调节器的PI参数设计，在实际应用中，若忽略电机电感的动态变化，可以根据当前的磁路饱和状态而在线修正电感参数，从而将非线性方程线性化，降低控制器的复杂度；考虑到电动汽车在起动和加速超车时需要电机有最大转矩输出，本文讨论在逆变器容量一定和电池供电能力有限的情况下电机最大转矩输出问题；推导了异步电机扩展降阶、离散卡尔曼滤波方程在线辨识转子时间常数和转子磁通，用于实现高性能的矢量控制算法，并给出了仿真结果；推导出了电动汽车恒转矩给定的闭环回馈制动系统，实现了电动控制模型和制动模型的统一，而且结合铅酸电池最大充电电流的要求，为制动转矩在线给定建立了数学模型；设计了基于双DSP系统的高性能矢量控制器软硬件框图，并以大量实验数据说明矢量控制在电动汽车应用的实际应用状况。

In every period, do the following operations:# For each 8*8 block, do the discrete cosine transform, then take out direct current coefficient in each block, using the transformation above for each DC coefficient, the gold stands for the code of the spread-spectrum we use when embedding the different watermark bit in different frames, after all of the watermark information which we want to embed is embedded, then do the inverse discrete cosine transformation, and store the current frame in a new file.

于是利用DCT变换域的这点重要的几何不变性，我们可以推导出一种能够抵抗几何攻击的视频水印算法，即将所需要嵌入的水印信息以127位扩频序列作为辅助，以求和值形式嵌入到DCT变换后的每个宏块的每个DC系数当中，具体嵌入和提取算法如下：根据使用的扩频序列的长度N，基于相关的嵌入器需要选取包含N帧的视频子序列，令这N帧视频子序列作为一个嵌入周期，对于每N帧视频子序列做如下的操作，#即对于每个8×8的像素块进行DCT变换，然后取出每个DCT变换后的直流分量，对于每个DC系数，做如上所述的变换，其中gold为在第k帧中嵌入第i位水印信息时使用的扩频码字值，待将所有需要嵌入的水印信息全部嵌入后，再做反DCT变换，保存当前帧。

The adoption of " necessitation" in the Theory of Intervention Necessitated can not only lead to essential revision of the range defined by economic law on the basis of the word of " intervene ", but also make the economic law respond to the changes of economic and social situations dynamically, and prominently demonstrate the importance of the tool of the Economics of the Law especially needed in the process of the establishment and evolution economic law as well.

需要干预论中"需要"一词的采用既能因此对基于"干预"一词对经济法所界定的范围作出必要的修正，又能动态地使经济法回应经济情势和社会情势的变迁，还凸显了经济法创立和变迁时尤其需要的法经济学工具的重要性。

This paper studies optimal helicopter flight operations in the event one-engine failure. A three-dimensional point mass with a yawing motion of UH-60A has been used to study RTO and CTO from an elevated heliport or from a heliport, A first order dynamic of the OEI contingency power is considered. Flight after engine failure are formulated as nonlinear optimal control problems.

双发及多发直升机单发失效后，直升机飞行所需要的功率由剩余发动机提供，而在某些需要大功率的飞行状态时，如起飞状态、着陆状态等，剩余发动机提供的功率可能满足不了，这就需要对剩余发动机的可用功率进行合理利用。

But frequently in the Old and New Testaments Genesis 20:5; Job 33:3, Psalms 23:4 (24:4 and 72:1 (73:1); 1 Timothy 1:5; 2 Timothy 2:22 the "pure heart" is the simple and sincere good intention, the "single eye" of Matthew 6:22, and thus opposed to the unavowed by-ends of the Pharisees (Matthew 6:1-6, 16-18; 7:15; 23:5-7, 14) This "single eye" or "pure heart" is most of all required in the works of mercy (verse 7) and zeal (verse 9) in behalf of one's neighbor.

但经常在旧约及新约（创20时05分；求职33：3 ，诗篇23时04分（ 24：4 ）和72：1 （ 73：1 ）， 1蒂莫西1：5 ；提摩太2时22分）"纯心"是一种朴素和真诚的，用意是好的，"单只眼"的马太6时22分，并因此反对把unavowed由两端的法利（马太6：1-6 ， 16-18 ； 7 ： 15 ； 23：5-7 ， 14 ），这"单只眼"或"纯心"，大部分都需要在工程的怜悯（韵文7 ）和热情在代表一个人的邻居。

Foods was very different with china,all foods was acetous,they often mixed mice and dish together,used right hand take food to mouth.their left hand never touch food,someone told me left hand would used by relieve nature.if you shake hands left hand was discourteously.i made myself adapt their bite and sup harder.but when I look dr xuqing eat dish,I could't bursting to laugh,because dish like any yellow paste..it seemd my chin be slim when i looked into the mirror.i think I should be more slim when I come back.i often dreamed to eating meat,when I awoken,I am very sad for no meat can eat.dr fengqi would come to marduri tomorrow,I phone to her I need a pure meat,dr xuqing need chocolate,she laugh us.she would think I am a boss like the film jiafangyifang by fengxiaogang directd.if one chicken in my prensence,I should let it clear fastly.

我正在艰难的适应着他们的饮食。当我看xuqing医生时吃饭时，我笑不出来了，因为盘子里的菜是黄色的糊状的东西（PS：感到恶心吧，印度菜就那样，以糊状的为主）。当我照镜子的时候，我发现我又变瘦了。待到归国时，我会更瘦地！我经常夜里做梦在吃肉，当我醒了，发现是梦时，感觉老失落了（PS：印度人以素食为主）。彭清医生明天会来到marduri，我打电话对她说我想吃肉， xuqing医生需要巧克力，她笑话我们。她会认我现在就像电影《甲方乙方》里那个被丢在农村的老板。如果现在在我面前有一只烧鸡，我会很快啃的&溜干净&。我已经在医院开始实习了。Sumit医生是ECCE实习生的带教医生，他是IOL的fellow。

A water which the real love is the spouse is thirsty when hands over, the real love is goes out when an urge, the real love is when the spousal sob opens the bosom, the real love is the road which goes home hurriedly goes to the head flashes through ", if I do not go home, he will not be able to sleep" the thought that the real love will be when the spousal indisposition will wish one could to go to the pain for her one mood, the real love will be ", so long as she happy, I am willing to make all" the tenacity, the real love will be regards as her the human who will be in the world is frailest, most needs to protect.

真爱是爱人口渴时递上的一杯水，真爱是出门时的一句叮咛，真爱是爱人哭泣时张开的怀抱，真爱是匆忙回家的路上脑中闪过的&如果我不回家，他就会睡不着觉&的念头，真爱是爱人病痛时恨不得替她去痛的一种心情，真爱是&只要她开心，我愿意做一切&的固执，真爱是把她看作是世界上最脆弱、最需要呵护的人。

And Pharaoh spoke to Joseph, saying, Your father and your brothers have come to you.

47：5 法老对约瑟说，你父亲和你弟兄们到你这里来了。

Additionally, the approximate flattening of surface strip using lines linking midpoints on perpendicular lines between geodesic curves and the unconditional extreme value method are discussed.

提出了用测地线方程、曲面上两点间短程线来计算膜结构曲面测地线的方法，同时，采用测地线间垂线的中点连线和用无约束极值法进行空间条状曲面近似展开的分析。