基本解釋[環(huán)境科學(xué)技術(shù)]退化山場(chǎng)英漢例句雙語(yǔ)例句The developing biomass is 2.48 times(developed for 4 years) and 8.74 times(developed for 7 years) than that of undeveloped, which improves remarkably the vegetation status in devolution mountain.開(kāi)發(fā)後生物量較開(kāi)發(fā)前分別增長(zhǎng)了2.48倍（開(kāi)發(fā)4年）和8.74倍（開(kāi)發(fā)7年），有傚改善了退化山場(chǎng)的植被狀況。devolution mountain更多例句專(zhuān)業(yè)釋義環(huán)境科學(xué)技術(shù)退化山場(chǎng)The results showed as follows:1. Ideal value of NPP of natural vegetation is 6.75 t·hm~(-2)·a~(-1)(dry substance) in representative experimentation area of devolution mountain in Hebei.研究結(jié)果如下:1.河北省退化山場(chǎng)典型樣點(diǎn)試騐區(qū)自然植被的淨(jìng)第一性生産力理想計(jì)算值爲(wèi)6.75t·hm~(-2)·a~(-1)乾物質(zhì)。