在A函数里的local申明，给包变量$lo赋予了一个新的临时值AAA。
The local declaration in A saved a new temporary value, AAA, in the package variable $lo.
请仅在属于存储过程的查询子集中使用非典型值或临时值时使用此选项。
Use this option when atypical or temporary values are used in only a subset of queries belonging to the stored procedure.
如果非典型值或临时值仅用于属于存储过程的查询子集，则使用RECOMPILE查询提示。
Use the RECOMPILE query hint when atypical or temporary values are used in only a subset of queries that belong to the stored procedure.
由于SPU有128个寄存器，所以它可以存储大量临时值和中间值，而无需像其他架构一样，必须加载和向内存转存。
Since the SPU has 128 registers, it can keep a lot of temporary and intermediate values around without having to load and store back into memory like other architectures.
由于SPU有128个寄存器，所以它可以存储大量临时值和中间值，而无需像其他架构一样，必须加载和向内存转存。
Since the SPU has 128 registers, it can keep a lot of temporary and intermediate values around without having to load and store back into memory like other architectures.
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