changed parameter value meaning in English

改变参数的取值

The ability of the sql server query optimizer to match the new transact - sql string with an existing execution plan is hampered by the constantly changing parameter values in the text of the string , especially in complex transact - sql statements
不断更改字符串文本（特别是复杂transact - sql语句）中的参数值，会影响sql server查询优化器将新的transact - sql字符串与现有执行计划相匹配的功能。