您要查找的是不是：
- regional structure of population 地区人口结构
- There are also problems in the quality and structure of population that should not be neglected. 在人口素质、人口结构方面也存在一些不可忽视的问题。
- And the probability of crossing and aberrance would be dynamically changed with the structure of population. 遗传运算参数中的交叉和变异概率随种群结构特征动态变化。
- Effects of different spacing form, density on structure of population、light distribution and yield of phaseolus vulgaris were studied under the high yielding condition. 摘要研究了在高产条件下，不同行距配置、密度对奶花芸豆群体冠层结构、光能分布与利用特性及产量构成的影响。
- Urban agglomeration development necessarilly goes with the change of regional structure of urban agglomerations. 城市群发展必然伴随着城市群区地域结构的变化。
- The density of population in this city is very high. 这个城市的人口密度非常高。
- region structure of foreign trade 外贸地域结构
- Moderate population scale and density, excellent quality and reasonable structure of population will promote a fully coordination between population and economy, society, resource, environment. 适度的人口规模、适宜的人口密度、优良的人口素质和合理的人口结构将促进人口与经济、社会、资源、环境的全面协调。
- The microscopic structure of tissue. 组织机构组织的微观结构
- We know a lot about the structure of genes now. 如今我们对基因的结构有了较多的了解。
- Abstract : Effects of different spacing form、density on structure of population、light distribution and yield of Phaseolus vulgaris were studied under the high yielding condition. 摘要 ： 研究了在高产条件下，不同行距配置、密度对奶花芸豆群体田间小气候变化、冠层结构、光能分布与利用特性及产量构成的影响。
- The structure of the sentence is strange. 这个句子的结构很奇怪。
- Demography is the analysis of population variables. 人口学是对人口变量的分析。
- Not much information is available about the structure of populations of earthworms. 关于蚯蚓种群结构方面有价值的报道不多。
- The structure of a specific region of the earth's crust. 地况，地质情况某一地区地壳的结构
- We now come to the question of population. 现在我们开始谈人口问题。
- Do you know the density of population in this area? 你知道这个地区的人口密度吗?
- The active regions structure of three superoxide dismutases(Cu,Zn-SOD,Mn-SOD and Fe-SOD) and the catalytic mechanism of metallics in enemy structure have been reviewed respectively. 对铜锌超氧化物歧化酶、锰超氧化物歧化酶和铁超氧化物歧化酶等三种金属蛋白酶的活性结构及酶蛋白中金属离子催化氧自由基的机理进行了综述。
- No,actually,it's more a matter of population. 不，实际上这更是一个人口问题。
- Can you analyze the structure of the sentence for me? 你能给我分析一下这个句子的结构吗？
