A.樹(shù)干B.樹(shù)葉C.樹(shù)冠D.樹(shù)影
A.尖塔形B.枝葉型C.圓球形D.輪廓型
A.視距比較遠(yuǎn)B.視點(diǎn)比較高C.滅點(diǎn)比較多D.網(wǎng)格比較密