Low separate flooding string efficiency is one of the main problems in the exploitation of the Lin-pan Oilfield.
分层注水管柱有效率低一直是困扰临盘油田开发生产的一大难题。
The StringBuilder class in the System.Text namespace joins strings together without allocating a new string instance each time; this efficiency greatly improves memory utilization.
Text命名空间中的StringBuilder类无须每次分配新的字符串实例即可将字符串连接在一起；这一效率大大改进了内存的利用。
First, it improves the efficiency of the lexical analysis during the parsing of the view state string since there is no longer any need to match characters or parse tokens.
第一个目的是改进解析ViewState字符串时进行词法分析的效率，因为此时不再需要匹配字符或解析标记。
For efficiency reasons, copying any part of the string is avoided until the trimmed version's start and end positions are known.
出于效率原因，在得到修剪区的起始和终止位置之前避免拷贝字符串的任何部分。
The purposes of it were to improve the efficiency of searching a string in a large-scale database by the means of approximate string matching and to provide a means to search a string with wildcards.
其目的在于提高基于相似字符串匹配的查询在大规模字符串数据库中的查询效率，并且提供带通配符的字符串查询方式。
The accurate estimate of the drill string vibration and the corresponding technique are very important to protect the FEWD equipment and increase the comprehensive efficiency.
准确判断井下钻具振动并采取相应的技术措施对于有效保护FEWD测量仪器、提高钻井综合效益具有重要意义。
Dual string provides a new fluid circulation way and accelerates the velocity of liquid quickly, improving the efficiency.
双层管柱提供了新的液流通道，同时加快了携砂液返速，提高冲砂效率。
The burning system is converted to NSP production line with MSC precalciner, high efficiency 2-string preheater system and reciprocating grate cooler with jet flow.
其中，将烧成系统改成带MSC分解炉、高效双列五级预热器和带射流的推动蓖冷机的新型预分解窑生产线。
The mechanism for improving the pumping efficiency with the technique is analyzed. Design procedures are proposed for the lifting string of fluid assistance.
分析了助流举升技术提高泵效的机理，提出了助流举升管柱的设计步骤。
The mechanism for improving the pumping efficiency with the technique is analyzed. Design procedures are proposed for the lifting string of fluid assistance.
分析了助流举升技术提高泵效的机理，提出了助流举升管柱的设计步骤。
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