基本解釋[地球科學(xué)]土壤生物活性英漢例句雙語例句Soil organic matter (SOM) is the constitutive and biological basic substance of soil, is the condition and product of vital activity.有機(jī)質(zhì)（SOM）是土壤具有結(jié)搆性和生物性的基本物質(zhì)，它是生命活動的條件，也是生命活動的産物。Effect of a new pesticide, acetamiprid, on biological activity in upland soil was studied through analysis of soil enzyme activities and soil respiration.通過對土壤呼吸強度和土壤酶活性的測定，研究了新型殺蟲劑啶蟲脒對旱地土壤生物活性的影響。Soil organic matter (SOM) is the constitutive and biological basic substance of soil, is the condition and product of vital activity. Humic substance is major in SOM.有機(jī)質(zhì)（SOM）是土壤具有結(jié)搆性和生物性的基本物質(zhì)，它是生命活動的條件，也是生命活動的産物。權(quán)威例句Soil is, in part, the product of biological activity (all those earthworms, and so on).ECONOMIST: Spaceflightbiological activity of soil更多例句專業(yè)釋義地球科學(xué)土壤生物活性