风平浪静 be in smooth water; be calm and tranquil; calm sea; everything goes very smoothly.; gentle breezes and calm waves; in calm weather the sea is smooth.; there was no wind and the river lay unruffled.; the storm abates, all is calm.; the wind dropped, the waves subsided.; the wind has subsided and the waves have calmed down.; the wind is fair and the sea is calm
The plant community structure and its spatial dynamics in natural pinus yunnanensis forest region , which belonged to yipinglang forest farm of lufeng county , yunnan , were field investigated in april 2005 摘要于2005年4月采用中点四分法对云南省禄丰县一平浪林场云南松天然林区植物群落结构及空间动态进行了实地调查研究。