路面亮度的纵向均匀度UI=Lmin/Lmax,式中Lmin、Lmax是指()处测得的路面最低亮度与最高亮度。A、距车道边缘1/2宽度B、距车道边缘1/3宽度C、路面中线D、墙面2m高
路面亮度的纵向均匀度UI=Lmin/Lmax,式中Lmin、Lmax是指()处测得的路面最低亮度与最高亮度。
- A、距车道边缘1/2宽度
- B、距车道边缘1/3宽度
- C、路面中线
- D、墙面2m高
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