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计算机系统开发中软件费用所占比例,近年来迅速增长,预计到1985年将占总费用的85-90%.图1显示了软件开发费的增长趋势[1].
The share of software costs in the development of computer systems has risen rapidly in recent years and is expected to account for 85-90% of the total cost by 1985. Figure 1 shows the growing trend of software development costs [1].