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The question for this issue is as follows: (Multiple-choice) The microwave propagation in radar level gauges is not affected by ( ) factors. A. Medium temperature B. Medium pressure C. Medium density D. Medium pH value The answers for this issue will be announced on November 28, 2017.———————————————————————————————————————————————————————Answers to the previous issue (single-choice question): When a orifice flow meter is installed in the reverse direction, the flow indication will ( ). A. Too small B. Too large C. Unchanged D. Sharp fluctuations. The answer is A. Hidden content in this post. Hidden content in this post ———————————————————————————————————————————————————————Scoring criteria: 2 Wealth for incorrect answers; 3–8 points for *incomplete* answers; 10 Wealth for correct answers, provided there is a detailed explanation; 12–15 Wealth for correct answers with additional *complementary* information. 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