常見(jiàn)例句雙語(yǔ)例句Chemical or biological indicators may also be used, but should not take the place of physical measurements.化學(xué)或微生物指示劑可以使用,但不能代替物理檢測(cè)。Soil microorganisms is important to maintain the components of soil quality can be sensitive to reflect changes in soil quality, soil quality assessment is an important biological indicators.土壤微生物是維持土壤質(zhì)量的重要組分,能敏感地反映土壤質(zhì)量的變化,是土壤質(zhì)量評(píng)價(jià)的一個(gè)重要的生物學(xué)指標(biāo)。learning.zhishi.sohu.comThe effects of iodosulfuron-methyl sodium on several biological indicators in soil were studied by stimulated methods in laboratory.通過(guò)模擬實(shí)騐研究了除草劑碘甲磺隆鈉鹽對(duì)土壤中脲酶、過(guò)氧化氫酶、呼吸作用及土壤微生物生物量碳的影響。權(quán)威例句These are, after all, just the latest in a series of indicators that the Iraqi despot might use chemical or biological weapons if the United States has to disarm his regime by force.CENTERFORSECURITYPOLICY: The Non-Triumph of Hope over Experience 返回 biological indicators