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- POD活性随土壤中镉铅浓度的增加持续上升。 山梨变化最大,Cd200和Pb2000处理时分别高出对照177.8%和88.9%,五角槭(150.0%、75.0%)和茶条槭(122.2%、100%)居中,山荆子变化最小(53.9%、38.5%)。The activity of SOD offour tree species seedlings first enhanced then decreased with the enhancing of the concentration of Cd2+ and Pb2+, while under the highest concentration treatment (Cd200 Pb2000) , the decreasing degree was Pyrus ussuriensis Maxim and Acer mono Maxim >Acer ginnala Maxim and Malus bacata Bork.
- 三角槭Trident Maple
- Pb2000处理下,变化最大的仍为五角槭(5.7%),其次为山梨(5.2%)和茶条槭(3.8%),山荆子变化最小(3.3%)。Under the stress of Cd2+, Acer mono Maxim was the most sensitive, followed by Pyrus ussuriensis Maxim and Malus bacata Borkh, Acer ginnala Maxim was least;
- 秤不离锤、锤不离秤
- 三角(n) a triangle
- 半角DBC case
- 四舍五入round
- 倒角chamfer angle
- 五星级酒店deluxe hotel
- 左上角top left corner
- 五折by fifty percent discount
- 六角sexangular
- 四分五裂rent by disunity
- 右下角lower right corner
- 四角foursquare
- 全角SBC case
- 摔角wrestling
- 六角形hexagon
- 内六角扳手inner hexagon spanner
- 三角的three-cornered