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- Balocchi C E,Bridgwater F E.Selection efficiency in a non selected population of loblolly pine[J].For.Sci. 周永学;苏晓华;樊军锋;等.;引种欧洲黑杨无性系苗期生长测定与选择[J]
- Including distributional considerations in cost-benefit analysis is controversial. Some analysts count dollars equally for all persons, whole others apply weights that favor projects for selected population groups. 成本-收益分析是否应该考虑分配问题,众说纷纭。有些分析家认为,钱的价值对于所有人都一样,而有些人则重视特定人群所偏好的项目。
- Btk selected population with 4.1 fold to Btk caused 2.3 , 3.1 , 2.3 fold cross resistance to Bta, Cry1Ac, Cry1Ac+1C, respectively, and no cross resistance to Cry2A. There is no cross resistance to methomyl, phoxim, cypermethrin in these selected colonys. Btk汰选种群对 Btk的抗性指数为 4 .;1倍;对 Bta、Cry1Ac、Cry1Ac+1C的交互抗性为 2
- The genetic variation of 7 enzymes coded by 14 loci were analyzed for 4 selected populations and 1 control(hatchery) population of blunt snout bream (Megalobrama amblycephala). 测定了团头鲂4个选育群体和一个对照群体(养殖场人繁群体)的14个座位构成的7种酶的遗传变异。
- Objective To investigate the levels of blood lipid and blood glucose in 3 selected populations of workers in Xinhui area. 目的调查江门市新会区某些机关、事业单位人群的血脂和血糖状况。
- 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。
- I selected a passage from Milton. 我从密尔顿的作品中选出一段。
- He selected an extensive reading course this term. 这个学期他选修了泛读课程。
- He was selected as the district attorney. 他被选为地方检察官。
- 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?
- She selected a diamond ring from the collection. 她从收藏品中挑选了一枚钻石戒指。
- She was experimenting in selected units. 她在试点单位进行试验。
- Disease has decimated the population. 疾病使大部分人死亡。
- She helped to select a dress for Ruth. 她帮着给露丝选了一件衣裳。
- 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。
- What is the population of Ireland? 爱尔兰人口有多少?
- He selected a pair of sock to match his suit. 他挑选了一双与其套服相配的袜子。
- There was a swell in the city's population. 该市出现过人口膨胀。