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By answering the question for this issue, you can see the answer to the previous issue. The question for this issue is as follows: (Single-choice question) In PID control, the proportional action operates based on (), and it plays a role in stabilizing the controlled variable in the system. A. Magnitude of the deviation B. Advance adjustment C. Presence of deviation D. Elimination of residual error. The answers for this session will be announced on October 21, 2017.——————————————————————————————————————————————————————— Answers to the previous session: (Multiple choice) For measuring the level in viscous, crystallizable media, the following can be used: A. Radar level gauges B. Nuclear radiation level gauges C. Double-flange level gauges D. Float-type level gauges. The answers are: A, B, C. ———————————————————————————————————————————————————————— Scoring criteria: 2 points for incorrect answers; 3–8 points for partially correct answers; 10 points for correct answers with detailed explanations; 12–15 points for correct answers along with supplementary explanations. Please score according to these criteria. Note: If there are editing records after answering, only 1 point in wealth will be given to the participant. The time limit for answering is before the next question; 2 points are awarded if the answer is correct within two periods after the deadline, while no points are given if the answer is incorrect or if more than two periods pass. Each instance of continuous malicious spamming results in a deduction of 2 wealth points, with no upper limit; only numbers and emojis are allowed. Any random letters entered, unrelated to the answer, are considered malicious spamming. Points will start to be deducted after three warnings