composition n. 1.作文(法),作诗(法),作曲(法);作品,文章;乐曲;文体,措辞。 2.编制;结构,构造,组成,组织;成分;合成物。 3.素质,性格。 4.构图,配合,布置。 5.妥协,和解(条件);(私下了结的)和解费,(议定的)偿付额。 6.【印刷】排字。 7.【逻辑学】综合法,合成推理;【语法】复合法;【社会学】结合体。 Latin prose compositions 拉丁散文作品。 a stone composition石刻品。 He has not a spark of generosity in his composition. 他(性格中)一点肚量也没有。 a composition of 5sh. in the pound 每镑照赔五先令。 composition for violin 提琴曲。 composition of a picture 绘画构图。 composition of air 空气成分。 make a composition with (sb.'s creditors) 和(各债权人)议定偿还办法。
aggregate vt. 1.集合,(使)聚集。 2.总计,共计,合计。 The sum will aggregate a thousand dollars. 总额共计一千元。 adj. 1.聚合的;(花)聚生的。 2.【地质学;地理学】聚成岩的。 3.合计的,总。 an aggregate flower 聚生花。 n. 1.聚集,集合。 2.总数。 3.聚集体;凝聚体;团粒。 4.【建筑】混凝料。 in the aggregate 总计,合计。
Abstract : through a study on soil aggregate composition , nutrient status and enzymatic activity under mixed forest of chinese fir alniphyllum fortunei and pure stand of chinese fir , the results indicated that , compared to pure stand , the soil structural property was ameliorated , the soil capacity of nutrient supplying and was improved , and the soil enzymatic activity were enhanced 文摘:通过对杉木拟赤杨混交林及杉木纯林土壤团聚体结构、土壤养分状况及酶活性的研究表明,与杉木纯林相比,混交林土壤结构性能得到改善,供肥和保肥能力加强,各种土壤酶活性提高,土壤肥力较好。