最近,测量、控制与自动化协会的一份报告指出:自1984年至1988年的5年间,测量仪表、控制和自动化装置的销售额增长33％,利润从0.37亿美元增长到1.3亿美元。5年间,这些产品的成本上涨0.4％,其它费用下降5.3％。1989年第一季度,测量仪表、 A recent report from the Measurement, Control, and Automation Institute states that sales of measuring instruments, controls, and automation devices increased by 33% from 1984 to 1988, and profits increased from $37 million to $130 million. In five years, the cost of these products has increased by 0.4% and other costs have dropped by 5.3%. In the first quarter of 1989, measuring instruments,