It can be easily transfered to a system for other materials.
系统设计充分考虑了通用性,极易移植于其它物资系统。
res is the usual result of an I/O operation: the number of bytes transfered, or a negative error code.
res是IO操作的通常结果:传输的字节数,或者负值的错误码。
Newly entered data can be simply transfered from the replication back to the original database in the same way.
用相同的方法可以将新输入的数据简单地从复制传回到原始数据库。
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