应广大读者要求，经国家批准，本刊自今年起由双月刊改为月刊，至今已一年了，为把本刊办得更好，以满足日益增长的市场需求，更好地为读者服务，特开展本次读者问卷调查活动，欢迎广大读者踊跃参加。请您根据本人情况，实事求是地填写本调查试卷（调查试卷可复制后填写，也可? At the request of readers, with the approval of the State, this magazine has been changed from a bimonthly issue to a monthly issue this year. It has been one year now. In order to better serve our journal and satisfy the growing market demand and serve our readers better, Special to carry out this reader survey activities, readers are welcome to participate. Please according to my situation, seek truth from facts to fill in the survey papers (papers can be copied after the survey, but also?