硬化路面是城市热环境效应影响因素中较为重要的一个因素。
硬化路面增多和建筑物面积增加，导致雨水下渗面积缩小，引起雨水径流加大，是不容忽视的重要原因。
We should not overlook the increasing impermeable pavements and buildings which narrowing the stormwater infiltration area causing increasing stormwater runoff.
校门一侧建有一座21平方米的传达室。在教学区内，路面全部硬化，把每幢教学楼连成一个整体。
School gate one side constructs 21 square meter reception rooms. In the teaching area, the road surface hardens completely, each classroom building Lian Cheng a whole.
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