25 5tan (2) .

() (%) 1000m5m ().

VCR250m 40.0m 16.0m 53 .

Understanding the Context

1501100104 .

,20 5

19.7984.6m19.6610m20m30m40m50m60m 70m80m.

4 .

Key Insights

.

1.575 1.5.

150cm.