The transient air gap magnetic fields under different conditions are also calculated and analyzed. The novel finite element method directly using magnetic induction as unknown variable has many advantage. It is analyzed theoretically in detail. Nonlinear eddy current field equations and finite element equations using magnetic induction as unknown variable are developed.

直線電機的磁場是一非均勻免费直接可以看的黄色网站、非線性的渦流場，文中對非均勻磁場及材料的非線性進行了分析久久久久久亚洲日韩精品一区区三区，提出了相應(yīng)的解決辦法2012AV视频中文字幕高清在线中文字幕，采用以向量磁位為求解量的傳統(tǒng)有限元法，對不同合閘角下筒式復(fù)合次級圓筒型直線感應(yīng)電機的瞬態(tài)特性進行了計算與試驗分析强奷年轻貌美女教师在线观看，對不同條件下瞬態(tài)氣隙磁場進行了研究A级片一区二区。

Some costs include both a fixed and a variable costs element. They are called semi -variable costs or mixed costs.

有些成本同時包含固定成份和變動成份，它們被稱為準變動成本或混合成本就去干黄色激情图片小说。

This paper has introduced briefly the good and shortcoming of the GPS technology and machine visual technical in the variable machinery application, and the development status of the variable mechanical based on machine vision's key techniques have been explained in detail, such as light source, capturing dynamic image (CCD camera and image frame grabber), image processing , fast accurate actuator, and so on.

1引言精細農(nóng)業(yè)生產(chǎn)技術(shù)是現(xiàn)代農(nóng)業(yè)工程技術(shù)的重要標志之一国产69AV视频，是利用現(xiàn)代信息技術(shù)、機電一體化技術(shù)對傳統(tǒng)農(nóng)業(yè)機械進行改造的主要方向亚洲91网视频在线播放。研究和開發(fā)以"空間差異"準確定位定量操作的"變量"農(nóng)業(yè)機械是今后農(nóng)業(yè)機械化研究的重點方向亚洲最大天堂在线观看视频，其相關(guān)技術(shù)和設(shè)備的研究已成為國際上正在研究的重點課題。

If a variable is used in a code block but not defined there, it is a free variable .

如果某名字在代碼塊中有所使用www.尤物，但并不在該塊中定義性爽交刺激视频在线，就稱它為自由變量。

If the nearest enclosing scope for a free variable contains a global statement, the free variable is treated as a global.

如果某自由變量的最近封閉作用域包括一個global語句性爱在线欧美，那么這個自由變量就當作全局變量處理成a免费视频大全。

After that, the analytical formula of the free boundary variable s versus time variable t in the two phase cylinder group melting process. The formula is important to study the factors affecting the group melting.

求出兩相圓柱團熔融過程中固液界面s與時間t的解析表達式，它對分析研究影響物料團熔融的相關(guān)因素起著重要作用日韩看片自拍视频。

With the new model and the program, steady seepage field in work period, free surface position variable law with time at upper reaches in unsteady seepage period and seepage field variable law on the condition of different seepage coefficient and water decrease speed are stimulated.

利用建立的模型和編制的程序能模擬正常運行期的穩(wěn)定滲流場欧美一级二级三级网站大全、非穩(wěn)定滲流期上游水位變化時自由面位置隨時間的變化規(guī)律以及不同的水位下降速度時滲流場的變化規(guī)律。

Using of the biomechanical method and the dynamical method , with control and without control of the same action redundancy free degree as stimulus variable , with the minus of explosive strength as dependent variable , compary with different sections testing results , qualitative and quantitative evaluation to jumpping movement coordinative ability.

運用生物力學(xué)方法與人體運動的動力學(xué)方法色妞精品一级，以相同動作冗余自由度的控制與不控制作為刺激變量一级特黄毛片视频播放一区二区，以動作爆發(fā)力表現(xiàn)水平的差值為因變量，通過對兩組不同水平被試測驗成績的比較禁止18岁以下看的黄片，對跳躍專項動作協(xié)調(diào)能力進行了定性與定量評價日韩视屏二区。

In this system,the VVVF(variable voltage variable frequency) control method based on magnetic flux trajectory is applied.In the system,it is the target for the magnetic flux linkage polygon to be greatly approximate to the ideal magnetic flux circle.Considering such limitations as the low speed torque ripple,high speed real time and the working frequency of switching element,through the subsection synchronization control method by applying different numbers of magnetic flux linkage polygon for different frequency range,the perfect precision specifications for speed can be obtained.

系統(tǒng)采用基于磁通軌跡法的他控式變頻調(diào)速方案，以磁鏈多邊形盡量逼近理想磁通圓為目標中文字幕与子乱视频，并考慮低速轉(zhuǎn)矩脈動亚洲黄色性视频、高速實時性和開關(guān)元件的工作頻率限制等約束條件，通過采用分段同步控制方式官网视频在线欧美不卡中无图片高清日韩，在不同的頻段采用不同的磁鏈多邊形邊數(shù)人人爱人人干人人摸人人艹，使系統(tǒng)獲得了優(yōu)異的轉(zhuǎn)速精度指標被爆操精品网站。

In this paper, five equivalent conditions of the definition and five special nature of analytic function are given, and followed by their mutual equivalence of the proof , the relationship between the equivalent conditions and the nature of analytic functions is revealed, which can help us to learn the concept of complex variable function in deep depth and make analytic functions an important role in complex variable function.

本文依次給出了解析函數(shù)的五個等價條件及五個性質(zhì)，并通過對它們相互等價性的證明中文字幕在线观看日本，導(dǎo)出了解析函數(shù)等價條件與性質(zhì)之間的關(guān)系小草无码视频，更加深入地揭示解析函數(shù)這一概念的內(nèi)涵，展示出了解析函數(shù)在復(fù)變函數(shù)論學(xué)習(xí)中的重要性男人天堂视频网。