While you can use the same symbol for all the run-time variables, each parameter will be nameless and you will have to keep track of each parameter by its ordinal position in the SQL statement.

当可以为所有运行时变量使用同一个符号时，每个参数都没有名称，因而必须按参数在sql语句中的序号位置来跟踪每个参数。

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This peper points out that usual identification flame has three types: symbol set, ordered statement set and closed interval of real number.

本文指出常用辨识框可分为符号集合型、有序命题集合型和实数闭区间型。

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"We consider this amalgam of the Nazi emblem with a religious symbol to be unhealthy, " the Jewish leaders said in a statement which will appear in the weekly Christian magazine La Vie on Thursday.

BBC: Catholics urge film poster ban