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Terms for subject Environment containing | all forms
ChineseEnglish
miscellaneous fire
环化合物heterocyclic compound Compound in which the ring structure is a combination of more than one kind of atom (环状结构中含有一种以上不同原子的化合物。)
水生的, baquatic weed
weed Any plant that grows wild and profusely, especially one that grows among cultivated plants, depriving them of space, food, etc. (野生的和生长茂盛的任何植物,尤其指在栽培植物之间生长、剥夺栽培植物的空间、食物等的植物。)
草控制weed control Freeing an area of land from weeds by several means, such as herbicides, tillage, burning, mowing, and crop competition (通过若干手段可清除土地区域的杂草,如除草剂、耕作、燃烧、割草,以及作物的竞争。)
草防治weed control
货用品miscellaneous product No definition needed (无需定义。)
利用地区mixed use area Use of land for more than one purpose; e.g. grazing of livestock, watershed and wildlife protection, recreation, and timber production (多于一个目的的土地使用,例如放牧牲畜、水域和野生动植物保护、休闲和木材生产。)
混种,hybridization The act or process of producing hybrids that is an animal or plant resulting from a cross between genetically unlike individuals. Hybrids between different species are usually sterile (产生植物或动物混种的行为或过程,由不同遗传基因的个体杂交而产生。不同品种间的杂交产物往往是无法生育的。)
加拿大空气污染控制协会Journal of the Air Pollution Control Association