after this is achieved 中文意思是什麼
after this is achieved
解釋
事成之後-
The noise constantly is not affecting our normal life, for example ; just repaired the family, to the quiet at dead of night building about the water pipe noise, has caused you to be unable normally to rest, the senior citizen, the neurasthenia, the heart was not specially good and so on the community, was is unable to rest, the saint porch company produced " the down - flow pipe sound insulation wrap " the product, fundamentally has solved this problem, this product has used the advanced sound insulation, the sound absorption, the material, passed through the specialized technical many years research development, and experimented after the beijing ten plots different levels owner, the sound - insulated effect achieved above 90 %, satisfaction rate reached above 99 %, did not have an example suit, received the owners universal welcome
噪音無時無刻不在影響著我們正常的生活，例如；一個剛剛裝修完的家庭，到了夜深人靜樓上下水管的噪聲，使你無法正常休息，特別是老年人，神經衰弱，心臟不好等群體，更是無法休息，聖軒公司生產的「下水管隔聲套」產品，從根本上解決了這個問題，此產品採用了先進的隔音，吸音，材料，經過專業技術多年的研究開發，並經過北京十個小區不同層次業主試驗，隔音效果達到90 %以上，滿意率達99 %以上，無一例投訴，受到業主們普遍歡迎。 -
With the fea software ansys and shell element which has high - precision, this dissertation optimize the size and thickness of skeleton section and seek steel pipe which still have strength and stiffness surplus under static state working condition : sinkage of 240mm of rear wheel. it ' s fully loaded in the state of static bending and torsion. after that, amelioration is achieved for even strength design
本課題運用ansys有限元分析軟體，並且使用精度較高的shell殼單元作為建模單元，在靜態條件下，通過對左右後輪下沉240mm的彎扭聯合工況的模擬分析，尋找出骨架中存在強度和剛度富裕的構件，使之達到輕量化改進的目的。 -
The stability of electric power system has been being focused for a long time toprevent a power system from losing synchronism after sudden fault ， researchers have done much work and got many accomplishments this paper applied the direct feedback linearization ( dfl ) technique on the power system ， a strong nonlinear system simulation results by matlab proved this method efficiency main works and results are as follows ： this paper compared some existing methods in excitation control ， fast valve control and coordinated control respectively, analyzed the developments and actuality of nonlinear control research in brief, illustrated why ransient stability could be greatly improved by using the fast valve control in chapter 3 ， indicated the importance of coordinated control farther this paper introduced the inverse system theory, based on which ， discussed the dfl theory, pointed out which had consistency with the inverse theory, expanded the dfl theory combined the idiographic model equations ， made which adapt to the model of a single machine - infinite bus power system this paper referenced abundance articles and educed a set of equations ， which could describe the dynamical process of excitation and fast valve control for synchronous generators in the equations ， there were several very important parameters of power system - - rotor angle ( ) ， rotor speed ( ) ， generator q axis voltage ( eq ) ， transient voltage ( e ' q ) ， active power ( pe ) ， mechanical input power ( pm ) ， valve opening ( ) ， generator terminal voltage ( vt ) ， based on the model ， nonlinear coordinated controller and terminal voltage optimal controller have been designed by using the expanded dfl theory and lq optimal control theory the simulation results showed that the controller could keep power system transiently stable under the effects of a symmetrical 3 - phase short circuit fault ， which achieved better postfault regulation compared with another two routine methods ， one is the proportion excitation controller and proportion fast valve controller, the other is the proportion excitation controller and the optimal fast valve controller, which could exert good performance when met 1ittle disturbance either
在介紹逆系統理論的基礎上，詳細介紹了dfl理論，通過比較闡明了dfl理論其本質是逆系統方法的一類，並結合具體課題推導出的模型方程將dfl理論進行了擴展，使之適應于電力系統這個強非線性對象。通過參考大量的書籍文獻推導出一套實用的可將大型汽輪發電機勵磁與汽門綜合起來進行控制的模型方程，此模型方程涵蓋了電力系統中特別引人注目的幾個量- -轉子角、轉子轉速、發電機q軸電勢eq 、暫態電勢e ' q 、有功功率pe 、機械功率pm 、汽門開度、機端電壓vt ，在此基礎上建立了實用的電力系統簡化的數學模型，並將擴展的dfl理論應用於此模型系統，結合線性二次型最優控制理論設計出大型汽輪發電機的非線性綜合控制器及機端電壓最優控制器，通過模擬實驗與採用常規的按電壓偏差進行調節的比例式勵磁控制器+汽門比例控制及採用常規的按電壓偏差進行調節的比例式勵磁調節器和基於二次型性能指標設計的最優快控汽門（考慮發電機的飽和因素）進行了對比，證實了採用此種控制器可以有效地提高電力系統的暫態穩定性，並且在電力系統遭受小干擾時同樣具有良好的調節性能。 -
In this paper, river water quality prediction is integrated with water pollution control measures. two parameters, water environmental capacity and pollution index are selected for pollution control measures. the objective is achieved after the development of simulation model using one - dimensional advection dispersion equation. the model algorithm and computer program is an improvement over the existing water quality models, since the model solution involves four point implicit upwind schemes for water quality prediction and pollution control measures at each grid point. model simulation results the assessment of water environmental capacity that yield the acceptable and realistic pollutants concentration in order to maintain water quality objectives. the pollution and overall pollution index of the river is suggested for integrating number of contaminants variables into one index. study provides the mathematical and scientific procedure for water quality management. the new approach is helpful for the water pollution control and to study the impacts of waste effluents on the river system for strategic planning purposes
本文將水質預測及水污染控制措施有機地結合，選取水環境容量和污染指數作為水污染控制的參數.這樣，一維對流-擴散水質方程的求解除就是實現本研究目的的關鍵.本研究採用的模型在現有的水質模型基礎上有所改進，因為其採用四點隱格式對水質進行預測，推求可接納污染物的環境容量值及為保證水質而限定的污染物濃度值，從而制定相應的水污染控制措施.為整體考慮各種污染物的情況，建議採用河流的污染指數進而推求綜合污染指數.總之，本研究為水質保護提供了科學的計算方法，該法對水污染控制及污水對河道水質的影響是實用有效的 -
Abstract : in this paper, river water quality prediction is integrated with water pollution control measures. two parameters, water environmental capacity and pollution index are selected for pollution control measures. the objective is achieved after the development of simulation model using one - dimensional advection dispersion equation. the model algorithm and computer program is an improvement over the existing water quality models, since the model solution involves four point implicit upwind schemes for water quality prediction and pollution control measures at each grid point. model simulation results the assessment of water environmental capacity that yield the acceptable and realistic pollutants concentration in order to maintain water quality objectives. the pollution and overall pollution index of the river is suggested for integrating number of contaminants variables into one index. study provides the mathematical and scientific procedure for water quality management. the new approach is helpful for the water pollution control and to study the impacts of waste effluents on the river system for strategic planning purposes
文摘:本文將水質預測及水污染控制措施有機地結合，選取水環境容量和污染指數作為水污染控制的參數.這樣，一維對流-擴散水質方程的求解除就是實現本研究目的的關鍵.本研究採用的模型在現有的水質模型基礎上有所改進，因為其採用四點隱格式對水質進行預測，推求可接納污染物的環境容量值及為保證水質而限定的污染物濃度值，從而制定相應的水污染控制措施.為整體考慮各種污染物的情況，建議採用河流的污染指數進而推求綜合污染指數.總之，本研究為水質保護提供了科學的計算方法，該法對水污染控制及污水對河道水質的影響是實用有效的 -
As the step of the color tv ( the second generation ) to the digital tv ( the third generation ) is larger and larger, the research of digital television terrestrial broadcasting ( dttb ) become more and more important in china, we are concentrating on the standard of dttb which is suit for our country after describing and analyzing the technical stipulation and speciality of dttb, this paper compares atsc 8 - vsb with dvb - t cofdm and isdb - t bst - ofdmo the emphasis of this article lies in the technical solution about transferring system, channel coding is important component of dttb, which can resist from the bad circumstances o because of lots of varieties and different performance, channel coding become one of the emphasis of the research work this paper analyzes and researches the theory and performance of the different channel coding particularly, points out an effective theoretic analysis method and computer demo of performance comparison a theoretical method for estimating the performance of concatenated codes is proposed in this paperc this is achieved by combining the performance of single level coding rayleigh fading channel and the character of channel modulation it may be useful to research and development of the future digital television terrestrial broadcasting standard of our country
通道糾錯編碼是數字電視地面廣播傳輸系統的重要組成部分，是抵禦地面惡劣環境的有效手段。由於通道編碼的種類繁多，性能各異，因此是目前研究工作的重點之一。本文詳細分析和研究了幾種通道糾錯編碼的原理和性能，並針對外碼內碼級聯糾錯結合地面通道瑞利衰落提出了一種有效的理論分析方法和性能的計算機比較演示方案，總結了不同級聯方案的性能特點，對於我國目前的數字電視地面廣播標準的研究和通道級聯糾錯方案的確立及其參數選擇具有一定的參考價值。 -
This is the second highest pat achieved by the corporation, after the record pat of hk 664 million in 2004
這是公司自2004年除稅后溢利6 . 64億港元后取得的第二最高溢利紀錄。 -
We achieved a significant concession when we were able to gain china s agreement that we ( and other wto members ) could continue to use this methodology for 15 years after china s accession to the wto. another significant concession that we obtained is the creation of a special safeguard mechanism protecting u. s. industry and workers against import surges from china
我們獲得的另外一個重大讓步是建立一個特殊保護機制，保護美國工業和工人不受來自中國的進口激增的影響。這個被稱為"具體產品"保護措施的機制，將在中國加入世貿組織之後的12年中供美國（和其它世貿組織的成員）使用。 -
The method for jamming evaluation in this dissertation is achieved after sar imaging by data processing, and it is objectively and apace. so this study has a high value for sar jamming technique, atr ( automatic target recognizing ), etc
由於本文提出的干擾效能評估方法可以在sar成像后通過圖像數據處理實現，並具有客觀性、快速性等特點，該項研究對sar干擾技術、目標自動識別技術研究等都具有應用價值。 -
After reading many references, how to diagnose these faults using torsional vibration signal is studied in this paper. some satisfactory results are achieved in this paper : 1
本文的主要研究內容和創新成果如下： 1提出了利用扭振信號的峭度分析來診斷柴油機單缸熄火故障的方法。 -
This is achieved experimentally by focusing the selector aperture on the final screen using the diffraction lens, which is most accurately done after removing the objective aperture, and then ( after replacing the objective aperture ) focusing the specimen using the objective lens only
這已經通過使用衍射透鏡在最終屏幕上聚焦選擇孔實驗性的完成，此方法多數能在移動目標孔后準確完成，然後（重置目標孔后）僅通過目標透鏡聚焦樣本。 -
These two models were used jointly to obtain some metricable characteristics of the process, including information on organization of standard software process, such as software scope, labor consumption and cost estimation. the aim of this combination is not only to perform statistics and metric after the process, but also to do estimation analyses when the program was established. thus, management and control of the process can be achieved
在獲取過程的一些可度量特徵，如與組織標準軟體過程的使用有關的信息：軟體規模、工作量、成本的估計值時，考慮將這兩種模型結合使用，從而真正達到管理和控制的目的，不僅在事後進行統計和度量，而且在制定計劃時對要度量的軟體進行預估分析，有利於軟體過程評估； 3 -
Saina company is a joint - stock system, high technology and new technology enterprise which special on nanotechnology research, development and application. the nano - coating products have achieved the national patent and were included in the 863 program of the national. this kind of coating was lead in the nato - structure that awarded the product photochemical sterilization after film forming
賽納公司是一家集納米技術的研究、開發與應用為一體的股份制高新技術企業，其產品水性納米塗料以水為溶劑，採用納米結構，使得該塗料具有傳統塗料所不具備的一些特殊功能，並實現了真正的綠色環保，隨著人們環保意識的逐漸加強以及對塗料性能要求的不斷提高，該塗料具有廣闊的市場前景。 -
5. the cooling performance for cpu is achieved an objective of - 5 after using our cooler. furthermore, this performance is stable and will not be affected by temperature of circumstance
5 .由halt測試臺監控程式顯示cooler express提供- 5 ，並於測試進行中保持極穩定的冷卻效能。 -
In the environment of cims, a cad / cam integrated application system of valve cam is developed with ug / open api, which is based on the engineering design integrated cad / cae / cam system ug - ii. in this application system, the design of cam profile, machining simulation and cam lift data analyzing can be achieved. the complete data describing of the driven component movement disciplinarian can be acquired after the initiative devise parameters have been input the computer in this system
在cims環境下的工程設計（ cad cae cam ）集成系統ug -平臺上，作者運用ug openapi工具開發了一個可實現配氣機構設計、裝配、加工模擬和運動分析的cad cam集成應用系統，在該系統中，將初始設計參數輸入計算機運算后，即可獲得配氣機構各部件的完整數據描述，通過調用ug -的modeling模塊，可得到配氣機構各部件精確的三維模型。 -
After a great amount of detailed computer simulations and concise qualitative and quantitative theoretical analysis, the turbo codes " parameters and fpga specific hardware implementation architecture suitable for being integrated into dtv systems are determined. furthermore, the codec is completely designed with verilog hdl, ending with an occupation of less than a 600 - thousand - gate fpga chip. at this lowest hardware cost, a white noise snr threshold of 1. 8db at a net stream rate of 6mbps is achieved, which exceeds all other existent dtv systems " performance
經過大量詳細的計算機軟體模擬和簡明扼要的定性與定量的理論分析，最終確定了數字電視系統中適合採用的turbo碼參數及針對fpga特殊構架的硬體實現結構，並用verilog硬體描述語言完成了turbo碼編譯碼器的完整設計，以佔用不到一片60萬門fpga晶元的較少的硬體資源取得了在6mbps凈碼率下1 . 8db的白噪聲信噪比門限這一遠遠超過現有任何數字電視系統的性能。 -
The study of the documents shows that much satisfactory insurance systems for construction project have been established in the developed countries and successful implementations have been achieved, while in china this field is still in the infant stage and the situations differ considerably in different places. the vast quantity of problems in construction project and the serious challenges facing the domestic building industry after china ' s entry into wto demand diverting the risks through the channel of insurance and enhancing the forecast consciousness of each related subject
文獻研究表明，發達國家已經建立起了比較完善的建築工程保險體系，取得了成功的應用，而我國卻剛剛起步，發展極不平衡，工程建設中的大量問題，以及中國入世后對建築業的嚴峻挑戰，都需要通過實施保險來轉移風險和增強建設主體的預期心理，這一切使得建立和推進建築工程保險的有效機制迫在眉睫。 -
Form the practical engineering point of view, the longitudinal natural stability of anti - submarine helicopter is analyzed, the stabilized loop of the pitch angle is systematically studied. this paper is mainly on the design and simulation of the stabilized loop of pitch angle with classic control method and fuzzy control method and many useful results are achieved. the main work of this paper can briefly described as follows : after the mathematical models of aircraft was build with relevant date, the stabilized loop of pitch angel was designed and simulated
本文從工程應用的角度出發，分析了國產直九c反潛直升機的縱向自然穩定性，分別應用古典控制和模糊控制的方法，系統地研究了國產直九c直升機的縱向姿態角穩定迴路、速度迴路、高度迴路、自動過渡等，對縱向姿態角穩定、速度、高度、自動過渡迴路進行了控制律的設計與模擬，取得了良好的控制效果。
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