The text provides a practical electric circuit, it can realize switch between ISP state and normal operation state for P89C51RD2.
本文提供一种实用电路，使得8位单片机P89C51RD2方便地实现ISP状态与正常运行状态的切换。
A case analysis indicated that changes of normal operation state of the HEN would not impact the bypasses location, which was derived from the above method.
分析稳态工作点变化后的情况，表明工况变化不影响上述得出的旁路设置。
If the Derby database server is terminated for some reason during the operation, it can pick up where it left off and recover the database to a normal state.
如果Derby数据库服务器在操作期间由于某种原因终止，则它可以保存停止的位置，并将数据库恢复到正常状态。
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