单项选择题
当(),积冰强度为轻微;当()时,积冰强度为中度;当()时,积冰强度为强烈。
A.I≤0.5,0.5<I≤1.0,I>1.0
B.I<0.5,0.5≤I≤1.0,I>1.0
C.I≤0.5,0.5≤I<1.0,I≥1.0
D.I<0.5,0.5≤I<1.0,I≥1.0
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