1.噪声与振动知识竞赛题,附在本刊篇末,竞赛参加者可将题目裁下(复印亦可),对第Ⅰ项的填充题及第Ⅱ项的是非题,在题卷中填写即可。对第Ⅲ项问答题的答案,需用另纸写出,题目可以不写,仅将题目序号写出即可。 2.所有答案要求用钢笔书写,字迹清楚。 3.参赛的答卷,请于1989年8月31日以前寄本刊编辑部(以邮戳为准),并在信封上写明“知识竞赛”字样。 1. Noise and vibration knowledge contest questions, attached to the end of this issue, competition participants may be the subject of the cut (copy can be), fill in the first item and the second item is non-question, fill in the questionnaire Can be. Answer to the third question and answer questions, need to write a separate sheet, the title can not write, just write the title number can be. 2. All answers require writing with a pen, writing clearly. 3. Please fill in the editorial office of the magazine (subject to the postmark) before August 31, 1989 and write the words “Knowledge Contest” on the envelope.