index of difficulty

基本解释

As can be seen from the chart, the number of students who drove to school showed a trend of substantial increase and the index of difficulty for parking increased accordingly.
如图所示，学生开车前来上课的人数呈现大幅攀升态势，而停车困难指数也同步大幅提升。
As can be seen from the chart, the number of Toya students who drove to school showed a trend of substantial increase and the index of difficulty for parking increased accordingly.
如图所示，托雅学生开车前来上课的人数呈现大幅攀升态势，而停车困难指数也同步大幅提升。
Result The conception of final target size was put forward, an equation for calculating the movement time of target acquisition was obtained, and a new definition of index of difficulty was given.
结果针对人体的目标拾取运动特征的研究，提出截止目标尺度的概念，推导出人体的目标拾取运动的时间计算方程。

One example is the "Rigidity of Employment Index, " which measures between 0 (the best) and 100 (the worst) the difficulty in hiring and firing workers, and also measures mandated benefits, such as vacations, and restrictions on working hours.
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