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- A whole-year census of the oriental fruit fly, Bactrocera dorsalis (Hendel), in a guava orchard was conducted to determine its annual population dynamics and diel activity pattern. 本试验在农业试验所一处番石榴园内调查东方果实蝇全年及单日之族群变动,并依据东方果实蝇在园内之族群变动推论此果实蝇迁移于果园内外的情形。
- annual population dynamics 年发生规律
- Annual population growth will continue to exceed 10 million. 人口数量仍将以每年1000万人以上的规模增长
- The annual population growth rate over the decade averaged 1.7 percent. 过去10年间,人口的平均每年增长率为1.;7%25。
- Insect population dynamics has always received much attention. 昆虫种群动态的研究一直受到重视。
- Population Dynamics Prediction Techniques of Lymantria dispar L. 舞毒蛾种群动态测报技术。
- A Study on the Population Dynamics of Rhopalosiphum padi on Wheat. 小麦禾缢管蚜种群动态的研究
- Since then,with the annual population growth of 14 million,employment has always been a cardinal issue in China's economic life. 其后,随着全国人口以每年1400多万的数量增加,就业始终是中国经济生活中的头等大事。
- Since then, with the annual population growth of 14 million, employment has always been a cardinal issue in China's economic life. 其后,随着全国人口以每年1400多万的数量增加,就业始终是中国经济生活中的头等大事。
- Age structure is a foundational base to study the population dynamics. 年龄结构是研究种群动态的重要基础。
- He used aphid fecundity data to elucidate the theoretical effects of antibiosis on insect population dynamics. 他利用蚜虫繁殖力资料说明了抗生作用对虫口动态的理论效应。
- However, this does not in any way reduce the magnitude of the "population problem" since the annual population growth rate would continue to exceed 4 per cent for the less developed countries till the end of this decade. 然而,从任何意义上说人口出生率的降低不会减低“人口问题”的重要性,因为不发达国家人口的年增长率到80年代末以前仍将保持在4%25以上。
- A spatiotemporal model for studying insect population dynamics in large-scale system. 一类大尺度系统中昆虫种群时空动态模拟方法。
- Completing the annual population plan issued by city, executing well the distribution of Procreation License, submitting municipal family planning committee the routine work like various planning statistics report form and so on. 完成市年度下达人口计划,做好《生育证》发放、向市计生委上报各种计划统计报表等日常工作。
- Impacts of Climate Changes on Elk Population Dynamics in Rocky Mountain National Park, Colorado, U.S.A. 气候变化对在美国科罗拉多州落基山国家公园内Elk人口流动的影响。
- Object is applied is populated dynamically. 对象应用到的节点。
- India, with 1.1 billion people, is the world's second most populous nation. But with an annual population growth rate of 1.7 percent, it is expected to overtake China by 2025. 目前,印度人口已达到11亿,是世界第二大人口大国。印度的年人口增长率为1.;7%25,预计到2025年将超过中国。
- By quantifying these causes the population dynamics of the insect would be better understood. 通过对这些原因进行定量,可以更好地了解昆虫的种群动态。
- Study on the population dynamics of aphids and predatory natural enemies in Bupleurum chinese Dc. 柴胡苗期蚜虫及捕食性天敌种群消长动态。
- It is suggested that 450W(GGC)light be applied in monitoring population dynamics of JPS and PWN after further test. 因此利用450W高压汞灯监测松墨天牛及松材线虫种群有应用价值,有待进一步试验完善。
