three-part box 中文意思是什麼
three-part box
解釋
三節砂箱-
In order to represent the six direction shape of the part, according to the national standards, the principle views are the projective views of basic projective planes, putting the part into the three - dimensional box, which six planes as the basic projective planes
為了表達機件上下、左右、前後的形狀，制圖標準中規定，以正六面體的六個面作為基本投影面，將機件置於正六面體內，分別向各個基本投影面投射所得的圖形稱為基本視圖。 -
It consists of two part, the one is hardware : integrating the system of the arc welding robot ' s hardwares and its working principles, separating and extracting the original system ' s control signals, designing the control system openly and its working principles, constructing the structure and principle of the motion card based on dsp, designing the telecontroling teaching box or control panel of touching screen based on usb interface, applying for some software and hardware measures on control system ' s anti - jamming ; the other is software : putting forward the three levels opening software structure model of arc welding, comparing the opening of software structure model between osaca and ours, putting forward the solutions of the pri and communication among the threads of software system ' s modules, using the dll ' s techniques to solve software ' s module design and putting forward the frame codes, bringing forward the path planning software ' s realization by cp + ptp mode, discussing the real time of windows2000 operating system and advancing its solution
具體包括，硬體部分：弧焊機器人硬體整體系統集成及其工作原理，原系統控制信號的分離和提取，控制系統的開放式設計及組成原理，基於dsp的運動控制卡結構和原理，基於usb介面的觸摸屏式遙控示教盒控制面板的設計，系統抗干擾的軟、硬體措施；軟體部分：提出了弧焊機器人的三層開放式軟體結構模型，軟體結構模型與osaca的模型進行開放性比較，給出軟體系統各模塊線程間優先級和通訊的解決方案，使用動態鏈接庫技術實現軟體模塊化設計並給出了框架代碼，給出了cp + ptp方式的軌跡規劃軟體實現過程， windows2000操作系統實時性問題的討論及解決方案。 -
When whole analysis is carried through the beam - lattice method and bridge surface is made of box beams with one box and two cells, according to the principle of constant bending rigidity and every part revolving the same neutral axis, a box beam can be simplified into three beams in the places of corresponding webs. thus effective transfer of shearing force can be ensured, and global property can be reached through that of three beams, this kind of method is simple and is able to ensure engineering precision ; secondly, the paper is based on elastic theory, adopts finite element method and carries through the first kind stability analysis towards zhongshan no. one bridge
在選用梁格法進行整體分析時，遇到橋面系是單箱雙室的箱型梁時，按照抗彎剛度不變且各部分繞著同一中性軸的原則，將一個箱型梁在相應的腹板處簡化成3根梁，能夠保證剪力的有效傳遞，而且可以由這劃分的3根梁的性能得到箱型梁結構的總性能，這種方法簡便易行且能保證工程精度；其次，本文基於彈性理論，採用有限元法對中山一橋進行了第一類穩定分析。 -
In this paper, how to evolve the action component part of struts framework into black - box framework using java reflection and program generator respectively is discussed, taking the adding, deleting, modifying in a database in struts + ejb - kiatabase three layers architecture as an example. i first present a white - box framework based implementaion that adding, deleting, modifying a database, then how to evolve the action component part of struts framework into black - box framework using java reflection and program generator respectively in the target domain is discussed, thereby all these operations can implement without programmingjust config in a xml file, reach the objective of reducing the duplicate codes, improving the maintainability, cutting down the cost of developing applications
首先給出了基於白盒struts框架的對數據庫表的增、刪、改操作的一個實現，然後分別採用反射機制和程序生成器技術將struts框架的action組件部分在這一目標領域里進化為黑盒框架，從而使所有對數據庫的增、刪、改不再需要編程，只需在xml文件中進行相應配置即可，達到減少重復代碼的數量，提高程序的可維護性，降低開發成本的目的。
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