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- In population composition,heliophytes increased and shade-tolerant decreased with forest fragmentation. 种群的变化趋势是阴湿或喜阴湿的蕨种的种群趋于减少，而林缘和林窗阳性或喜阳性的蕨种的种群趋于增大。
- The factors that affect spore population composition and seasonal variation of VA mycorrhizal fungi were discussed in this article. 本文对影响VA菌根真菌孢子种群组成和季相变化的因素进行了讨论。
- POPULATION COMPOSITION OF AGE BY REGION 按地区分的人口年龄构成
- bacterial population composition 细菌种群结构
- Phytoplankton Population Composition in Heilongjiang River System 黑龙江水系主要江河浮游植物种群结构特征
- He sweated out his composition in several hours. 他苦干了几个小时才写出了作文。
- This city has a population of more than 1,000,000. 这个城市人口超过一百万。
- A desert has no settled population. 沙漠没有固定的居民。
- He wrote a composition or (he) read an essay. 他写作文或读散文。
- His composition is far superior to mine. 他的作文比我的好多了。
- There was a steady increase in population. 人口在不断增长中。
- What is the population of this country? 这个国家的人口是多少？
- Disease has decimated the population. 疾病使大部分人死亡。
- A slow, mournful musical composition. 庄重悲哀的乐曲节奏缓慢，庄重悲哀的音乐作品
- The population of the island has sunk from100 to20. 这个岛上的人口从容不100人减少到了20人。
- He has a touch of madness in his composition. 他有点疯疯癫癫。
- I'd like to have your advice on my composition. 我想请您对我的作文作些指导。
- What is the population of Ireland? 爱尔兰人口有多少?
- She looked at her son's composition with a frown. 她对儿子的作文皱眉头。
- The composition of the report took two months. 写这份报告花了两个月时间。
