这种形式的字符串截断非常简便，只需用冒号分开来指定起始字符和子字符串长度。
This form of string chopping can come in quite handy; simply specify the character to start from and the length of the substring, all separated by colons.
第一个参数是子字符串，第二个参数是搜索字符串，可选的起始位置可以提供作为第三个参数。
The first argument is the substring, the second argument is the search string, and an optional starting position can be supplied as a third argument.
LOCATE LOCATE ('beach '，p. d escription)返回一个子字符串在搜索字符串中第一次出现的起始位置，如果没找到子字符串，则返回0。
LOCATE LOCATE (' beach ', p.description) Returns the starting location for the first occurrence of a substring in a search string, or zero if the substring isn't found.
外拖冲击电压的极性与绝缘子表面电荷极性是否相同会影响绝缘子的电晕起始时刻、由流注向先导的转变时间间隔和流注电晕电流。
The polarity of impulse voltage and the polarity of insulator surface electric charge can affect the corona initial time of insulator, the change time - interval and the corona current.
你想搜索一个字符串，获取该子字符串匹配的起始位置或匹配值。
You need to search for a substring, and return either the starting position of the match or the matching value itself.
大肠杆菌启动子能起始基因的转录，它主要由两段比较保守的序列片断- 10框、- 35框和它们之间一段长度可变的碱基序列组成。
Escherichia coli promoter, which could initiate transcription of a gene, was mainly consisted of two conserved sequences, -10 box and -35 box, and spacer between them, whose length is changeable.
表明可合并组成一段含启动子、起始密码子和NKND四个氨基酸的678个碱基的单克隆抗体M26～32抗原决定簇基因片段。
A combined 678 bp sequence which containing promoter, initiation codon and NKND sequence can be used for further research of target antigen gene of pan species monoclonal antibody M26~32.
结果表明，PTFE绝缘子的存在降低了微粒运动起始电压，而且绝缘子的形状也会影响绝缘子附近微粒运动的起始电压。
The result shows that the motion threshold voltage declines due to the PTFE spacer, and is affected obviously by the spacer shapes.
传回从指定位置起始且具有指定长度的子字串。
Returns a substring beginning at a specified location and having a specified length.
搜寻指定的子字串，并传回来源字串内第一个相符项目的以零起始的索引。
Searches for the specified character and returns the zero-based index of the first occurrence within the entire source string.
搜寻指定的子字串，并传回来源字串内第一个相符项目的以零起始的索引。
Searches for the specified character and returns the zero-based index of the first occurrence within the entire source string.
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