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- The paper studies the effect of physiological and biochemical indexes of Mung bean under the single pollution of the different concentration mercury,lead and chromium. 采用盆栽试验的方法,研究了不同浓度的汞、铅和铬单一污染胁迫下对绿豆的一些生理生化指标的影响。
- Ltd. (Xiaogan) was analyzed and determined and the heavy metals pollution was also assessed by using single pollution index and comprehensive pollution index. 结果表明，污泥中重金属污染主要为锅、汞和铜3种元素，污染等级为重污染；
- Even when we have a little knowledge about a single pollutant's effects, we know less about synergistic effects, that is, the effects brought about by the interactions of various pollutants. 甚至关于单个环境立法的影响我们知道的都很少，对于那种不同污染之间的相互作用带来的综合性影响我们知道的就更少了。
- Keywords Cd;Phe;earthworm;acute toxicity;single pollution;combined pollution; 镉;菲;蚯蚓;急性毒性;单一污染;复合污染;
- The letter was written on a single sheet of paper. 这封信只用一张纸写成。
- One single, second class, to winchester, please. 买一张去温撤斯特单程二等票。
- He got over the stream with a single leap. 他一跃就跳过了小溪。
- The bridge crosses the river in a single span. 河上那座桥是单跨桥。
- Do you want a single or a return ticket? 你要单程票还是往返票?
- Is the material single width or double width? 这幅料子是单幅的还是双幅的？
- I have had to work for every single penny I earned. 我挣的每一便士都是辛苦工作得来的。
- The huntsman fired a single shot at the lion and settled its hash. 猎人朝那只狮子开了一枪，把它打死了。
- Five twenties and ten single, please. 请给我5张20元的和10张1元的。
- She wore a single orchid on her evening dress. 她在晚礼服上缀着一朵兰花。
- Up to yesterday, I thought he was single. 直到昨天，我一直以为他是独身。
- Can you let me have a room with two single bed? 可以给我一间两张单人床的房间吗？
- One of four offspring born in a single birth. 四胞胎之一一胎出生的四个孩子中的一个
- For strong sewing use double, not single thread. 为了缝得牢，用双线，而不要用单线。
- A single grain of a cereal plant. 谷粒禾谷类作物的一个颗粒
- A single room with a bath, if possible. 如果可能，要一间带浴室的单人房。
