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With the methods of documentation, observe and physics statistics, the paper studies hit skills and stroke amounts of each round. And the paper tries to analysizing the change of fields of serve falling to the ground, the stroke amounts of each round, utilization ratio of each hit skill and the effect of return of service and handle skill of the third stroke in world top men's doubles nowdays after implement of new rule.

本研究采用文獻資料法亚洲超碰97人人做人人爱、觀察法、數(shù)理統(tǒng)計法等對運動員的擊球技術和各回合的拍數(shù)情況進行了研究情久久国产第一页，試圖分析新規(guī)則實施后色综合aaaaaaaa在线，當今世界頂尖男子雙打選手的發(fā)球落地區(qū)變化情況、各回合的拍數(shù)情況中文字幕黄色网站、各擊球技術的使用率以及接發(fā)球效果與處理第三拍技術天堂视频www在线。

Application of these methods can effectively increase the cache hit ratio, thus improve the performance of multiprocessor system.

這些方法的應用能夠有效地提高cache的命中率，從而提高多處理機系統(tǒng)的性能99视频有精彩视频。

At the end of the day, the goal of an efficient caching system to maximize your cache hit ratio within your storage constraints, your requirements for availability, and your tolerance for staleness.

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And on the basis of discrete method, the paper has constructed a mode choice model of commuter, and the paper has discussed the statistic characteristics of the model from four aspects: Significance test of the variable, model unlikelihood ratio test, Likelihood Ration Index, hit ratio.

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This caching policy makes good use of the characteristic of the Dynamic Batched Patching algorithm; the results of simulation have proved thatthis caching policy can obtain a high Byte Hit Ratio, that is, this caching policy can decrease the requirement of video server I/O bandwidth even in the context of efficient multicast system.

該策略充分利用了第三章中提出的多播傳輸機制的優(yōu)點，即使在這種高效傳輸機制下A片视屏，還可以獲得較高的Byte Hit Ratio日韩一级欧美一级作爱，也就是說本策略對減少服務器I/O帶寬的消耗有著明顯的效果。

The prediction by using repeated learning of system with four variables makes a remarkable result. In this case, the predictability can reach to 77.4% on average. Even expert makes prediction from more information, the hit ratio and direction hit of prediction by model is higher 15% than that by expert.

多變量預測循環(huán)測試結果表明：4變量組合的預測效果較好亚洲欧美一区二区第三页，可預測率平均水平可以達到77.4%欧美操逼日本a操逼，即使在人工預測信息占優(yōu)的條件下，系統(tǒng)預測命中率要高于同期人工預測15%左右国产欧美日韩永久。

With process data of blast furnace No.1 in Tianjin Iron Plant, the parameters, Ru and Sita, of model have been optimized based on criteria of predictability, hit ratio, direction hit ratio and mean sum of square error according to each variable respectively.

以可預測率免费看日本黄色视频、預測命中率、趨勢預測命中率及平均誤差平方和為評價標準国产永久免费看高清视频，確定了各影響因素的警戒參數(shù)Ru和濾波參數(shù)Sita的優(yōu)化值范圍两女同互玩丝袜脚一区二区。

From ORACLE system structure, the paper organizes and allocates memory with SGA and PGA. The key of performance tuning is to confirm the hit ratio of system. The ORACLE system's store structure includes physicial structure and logical structure. So , it is the basis to decide the size of tablespace, data file and control file. The database object includes index, cluster, views and store procedure etc., the object have important effect on database. Lastly, it contrasts the ways of Based on Cost and Based on Rule and organizes the SQL under SQL/PLUS system environment.

本文從目前的醫(yī)院信息系統(tǒng)現(xiàn)狀分析，提出系統(tǒng)性能評價指標亚洲综合乱伦，并從ORACLE體系結構出發(fā)亚洲高清不卡A片一区二区三区，對內(nèi)存區(qū)中的系統(tǒng)全局區(qū)及程序全局區(qū)進行合理的組織與分配毛片播放网站在线免费，確定合理的命中率，這是性能優(yōu)化的關鍵国产又黄又粗又湿视频免费观看；ORACLE存儲結構采用的互為關系的邏輯存儲結構與物理存儲結構日本永久网站在线观看，故確定其中的表空間、數(shù)據(jù)文件欧美一二在线日本、控制文件的大小是性能優(yōu)化的基礎黄片啪啪啪啊啊啊；數(shù)據(jù)庫對象結構中的索引、簇性爱视频午夜、視圖、存儲過程等對其進行合理的設計中日韩人妻人人爽，對大型數(shù)據(jù)庫的性能有著重要的影響午夜一级黄色网站诱惑在线看国产；最后便是在SQL／PLUS境下，通過與基于代價與基于規(guī)則的方法進行比較免费观看国产强奸视频，對合理高效的SQL語句進行組織欧美熟妇性视频，并列出優(yōu)化后系統(tǒng)性能的情況。

From ORACLE system structure, the paper organizes and allocates memory with SGA and PGA. The key of performance tuning is to confirm the hit ratio of system. The ORACLE systems store structure includes physicial structure and logical structure. So , it is the basis to decide the size of tablespace, data file and control file. The database object includes index, cluster, views and store procedure etc., the object have important effect on database. Lastly, it contrasts the ways of Based on Cost and Based on Rule and organizes the SQL under SQL/PLUS system environment.

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