(3) The use of static compile

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（3）使用编译时静态分配存储空间 （4）整型数据类型32位，占4个字节；布尔型数据类型8位，占1个字节；内存（由列表虚拟）寻址10位，1KB （5）为了实现方便，父类必须在子类之前定义 （6）由于时间原因，编译器做了如下简化： （i）表达式只能处理加法、-(3) The use of static compile-time allocation of storage space (4) integer data type 32, or four bytes; Boolean data type 8, or a byte; Memory (from the list of virtual) Addressable 10, 1KB (5) in order to achieve convenience, like father like son to be defined before (6) With the time, so the compiler to simplify the following : (i) the expression can only handle Ghaffar,