### <font color=red face="黑体">项目周期的特征</font>（P19-4）
![2024032008-cost|800](https://picbed-1253586264.cos.ap-guangzhou.myqcloud.com/uPic/2024032008-cost.png?watermark/2/text/5riF5pmW/fontsize/100/dissolve/60/gravity/SouthEast)