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- biotic index of pollution 污染生物指數
- A person's face is often an index of his mood. 一個(gè)人的臉部表情常常反映這個(gè)人的情緒。
- A new biotic index, the species pollution value (SPV) and the community pollution value(CPV), based on chemical parameters is presented. 依據水質(zhì)化學(xué)參數和原生動(dòng)物群落參數建立了一種新的生物指數：種類(lèi)污染值（SPV）和群落污染值（CPV）。
- Detecting the density of pollutant gas is one of the important applications of lidar.The minimum detectable concentration is a key index of lidar. 探測大氣中污染氣體的濃度是激光雷達的一個(gè)重要應用方面,最小可探測濃度是衡量一個(gè)雷達系統的重要指標。
- Furthermore,biological assessment of water pollution and eutrophic condiction was conducted by using the method of “indicator organism”,“biotic index”and“R. 報道了東平湖輪蟲(chóng)群落結構特征及數量的季節變動(dòng)，并依據調查結果，采用“指示生物法”、“生物指數法”和“R。
- We now come to the question of pollution. 我們現在開(kāi)始談污染問(wèn)題。
- Some sources of pollution have been curbed. 對原有的一些污染源進(jìn)行了治理。
- The increasing sale of luxury goods is an index of the country's prosperity. 奢侈商品銷(xiāo)售量日增是該國繁榮的標志。
- There's a lot of pollution in the air here. 這里的空氣有大量的污染物質(zhì)。
- Well,let's turn to the problem of pollution. 那么，我們討論污染問(wèn)題吧。
- Unclear waste is a kind of pollution. 核廢棄物是一種污染。
- The face is the index of the mind. [諺]臉是心靈的鏡子。
- What kind of pollution is the most risky? 什么樣的污染是最危險的?
- Color is commonly an index of ripeness or spoilage. 色澤一般是成熟和敗壞的標志。
- Any kind of pollution will do harm to health. 任何污染都會(huì )危害健康。
- I'd like to clear up the point of pollution. 我想弄清楚污染的問(wèn)題。
- Busy factories are an index of prosperity. 忙碌的工廠(chǎng)是繁榮的表徵。
- Retrospect and prospect of pollution ecology. 污染生態(tài)學(xué)研究的回顧與展望。
- Sludge biotic index (SBI), based on the microfauna associated with activated sludge mixed liquor, has been devised to monitor activated sludge plant performance. 污泥生物指數(SBI)由對活性污泥混合液中微型動(dòng)物群落結構的分析得出,用于評價(jià)活性污泥的運轉效能。
- On the subject of pollution, it's a global problem. 有關(guān)污染,這是個(gè)全球性問(wèn)題。
