In addition to obvious ideas, like automated save/backup utilities, or industry-specific analysis tools, add-ins could mold 1-2-3 into almost anything. Complete word processors, entire graphic subsystem replacements for complicated graphing needs, expert system logic, and non-linear function solvers were injected into the program. Oracle offered a way to connect to their external SQL databases from within the snugly confines of 1-2-3's security blanket.
Conclusion: From Death to Rebirth
，这一点在新收录的资料中也有详细论述
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（二）发现、阻断为违法犯罪活动架设通信线路，提供设备运维、增强信号等行为；