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- The critical photoperiods for inducing ACB larval diapause were different in the geographic populations. 在一定温度下诱导不同地理种群滞育的临界光周期由南到北逐渐延长,同时,随温度的升高可以使种群临界光周期缩短。
- The genetic differentiation mechanism of geographic populations and the inbreeding coefficient were discussed. 此外,讨论了毛蚶群体分化机制,近交系数与繁殖生物学的相关性。
- At the same time, feeding amount of Galerucella birmanica Jacoby in different geographic populations was observed. 建立了取食量与温度间关系的模型,经检验能较好地拟合试验数据;
- The genetic diversity of three geographic populations of Phytophthora sojae from China and the United States was determined using technique of inter-simple sequence repeat(ISSR). 为探究中国和美国大豆疫霉的遗传关系,采用简单序列重复区间扩增多态性(ISSR)技术,对来自中国黑龙江省、福建省和美国的3个大豆疫霉地理群体的遗传多样性进行了分析。
- The results showed isozymes electrophoresis of Ruditapes philippinarum had distinct specific of geographical population. 结果表明,菲律宾蛤仔的同工酶电泳结果具有明显的地理群体特异性。
- The gen etic variation of individuals from the same geographic populations wa s smaller than that of individuals from different geographic populati ons within the same voltinism groups. 在同一个化性类群内,同一地理种群的个体间基因变异小于不同地理种群的变异。
- The result also made us sure that water was the most important factor among all that influence the ecotype differentiation among different geographic populations of Leymus chinensis. 此结果与对羊草的水分胁迫下游离脯氨酸含量变化的聚类图较相近,从而进一步证实水分是影响羊草种群间遗传变异和生态型分化的一个最主要的因子。
- 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。
- The climate of a large geographic area. 大气候广大地理区域内的气候
- The geographic occurrence or range of an organism. 生物的地理分布生物出现或分布范围的地理地区
- 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?
- The inland part of a political or geographic entity. 内陆一个政治或地理实体的内陆部分
- Disease has decimated the population. 疾病使大部分人死亡。
- 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?
- There were no significant variations of the sensitivities among the four geographical populations to methamidophos and buprofezin. 对甲胺磷和扑虱灵的天然敏感性种群间无明显差异。
- There was a swell in the city's population. 该市出现过人口膨胀。
- The study of the geographic distribution of organisms. 生物地理学研究有机体地理分布的学科