An index lets you plot and compare prices in 20 of the more important economies over several years (for some countries you can check back as far as 1973).
图表指数工具可使您绘制、比较20个重要经济体(有些国家可查阅早自1973年的数据)几年以来的房价。
2
Use the graphing program of your choice to plot the results and check whether they form a straight line. Can you estimate the value of s?
选一种投图程序，把结果进行投图，然后检查一下是否为一条直线。
3
The tester can be used for AC and mechanical soft-starter to check and validate the performance of slow and uniform start and on-line plot the starting curve of tested object.