题目内容
RS、JK、D、T四种触发器中，输出等于输入的是()，触发器,仅具有保持和翻转功能的是(),触发器,功能最多的是(),触发器,对输入信号存在约束条件的是()触发器。
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RS触发器在使用时对输入信号存在约束条件。
锁存器比触发器具有更好的抗干扰性能。
[音频]Early in senior high school, we 1 be enrolled in a university. Now the dream has 2. But how do we college students like our 3? Certainly, some relish it, finding it colorful and rewarding. Besides study, they spend a considerable4 improving themselves in various ways. As for me, college life is ideal as long as I have abundant books to read, some 5 to keep me company, a couple of responsible professors to instruct me, and easy access to the Internet.
通过什么技术对自来水进行终端净化后的水是太空水？（）
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