The problem with the flip-flop menu is the same issue we identified with flip-flop buttons in Chapter 21— namely that users can't tell if it is offering a choice or describing a state.
这种滚翻式菜单项的问题和我们在第21章中讨论的滚翻按钮的问题一样，使用者无法分辨它是提供一个选择，还是描述一个状态。
The term "consistency" describes the correct state of data resource stored in the system. VFP maintains the data consistency from data validity, flip-flop and quotation integration.
“一致性”这个术语描述了系统中存储的数据资源的正确状态，VFP从数据有效性、触发器和引用完整性三个方面来维持数据的一致性状态。
The state table, excitation table, and state equation of a new type full-function JD flip-flop are presented.
提出了一种新型的全功能JD触发器的状态表、激励表和状态方程。
The problem with flip-flop controls is that they fail to fulfill the second duty of every control—to inform users of their current state.
滚翻控件的问题在于其无法完成控件的第2个职责——告诉使用者它们当前的状态。
The problem with flip-flop controls is that they fail to fulfill the second duty of every control—to inform users of their current state.
滚翻控件的问题在于其无法完成控件的第2个职责——告诉使用者它们当前的状态。
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