常見(jiàn)例句雙語(yǔ)例句Ecosystem made of Picea mongolica is a special sandy forest ecosystem in China.沙地雲(yún)杉林是陸地上非常特殊的森林生態(tài)系統(tǒng)類型。The results showed that intraspecific competition intensity of Picea jezoensis reduced with increase of diameter scale of trees.結(jié)果表明:暗針葉林中魚鱗雲(yún)杉種內(nèi)競(jìng)爭(zhēng)強(qiáng)度隨著林木逕級(jí)的增大而迅速減小。In the picea schrenkiana stand , micro habitat variables affecting regeneration of one - year seedlings and survival of two year seedlings were studied by using line transects method.摘要採(cǎi)用典型樣線調(diào)查法對(duì)影響天山雲(yún)杉一年生幼苗更新和兩年生幼苗存活的微生境變量進(jìn)行分析。www.translation-dictionary.net權(quán)威例句The tree itself, a Norwegian spruce (Picea abies), is chosen with great care.FORBES: Norway, Christmas and the Wisdom of Country Bumpkins 返回 picea