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(1) Normal detection of contacts. The normal detection of contacts refers to the detection of contacts when the control coil is not energized. The normally open contacts are open with infinite resistance, and the normally closed contacts are closed with resistance close to 0. The normal detection of the normally open contacts of the time relay is shown in the following figure.过了几天，清辉县的县令吕方忽然递交辞呈，因病乞求告老归田。You can see that the code is simpler and clearer.Question: In the last paragraph of the analysis of Case 2, "the law of the consumption process is also obvious. Events with X=0, 3 and 5 will disappear when consumed, and other events that have not been consumed will be directly transmitted to the top parent View instead of being transmitted back layer by layer." Why is this?CAT5: Category 5 Unshielded Twisted Pair? Twisted? Pair)? Unshielded twisted-pair cables are composed of multiple pairs of twisted-pair cables and a plastic sheath.2. Within 4 years after the effective date of these Rules, the installation of lights conforming to the color specifications specified in Section 7 of Appendix I to these Rules shall be exempted.