如果操作数的大小未在指令中指定，这就意味着操作数的大小并不十分重要(例如逻辑指令)或者它的大小为32位。
If the size of the operand is not specified in the instruction, that means either that the size doesn't matter (as in logical instructions, for instance) or that it is using a 32-bit value size.
数据操作服务是处理逻辑，其直接操作数据值和那些值的表示形式，以便进行存储、传输或表示。
Data manipulation services are processing logic that directly manipulates data values and the representation of those values for storage, transport or presentation purposes.
这些需求通过设计和开发 UI、管理应用程序功能的控制逻辑，以及利用和操作数据的代码来解决。
These requirements are addressed through the design and development of UIs, control logic that manages how an application functions, and code that utilizes and manipulates business data.
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