本方法具有快速、灵敏的特点，可日常用于北方根结线虫单条线虫的直接鉴定以及混合土壤线虫群体中北方根结线虫的检测。
The test is fast and sensitive, it can be routinely used for direct diagnosis of a single nematode and for detection of M. hapla in mixed soil nematode populations.
本方法具有快速、灵敏的特点，可日常用于象耳豆根结线虫单条线虫的直接鉴定以及混合土壤线虫群体中象耳豆根结线虫的检测。
The test is fast and sensitive, it can be routinely used for direct diagnosis of a single nematode and for detection of M. enterolobii in mixed soil nematode populations.
目的比较群体产卵法与单管产卵法对提高嗜人按蚊繁殖率的效果。
Objective To compare the effects of colony oviposition and single tube oviposition for improving the reproductive rate of Anopheles anthropophagus .
目的调查y染色体7个STR位点及单倍型的遗传多态性并分析其群体差别。
Objective To investigate the genetic polymorphism of7Y-STR loci and haplotypes and analyze their population difference.
基于双群体搜索机制分别对约束多目标优化问题和约束单目标优化问题进行了研究。
Hence, constrained multiobjective and constrained numerical optimization problems are done in this thesis based on double populations.
当下大学生作为社会中一个特殊的消费群体，在消费观念、消费来源、消费金额、消费结构和消费层次等方面表现出“超、高、单、多”的特点和趋势。
As a special consumption group in society, undergraduates show the features and trends of "over, expensive, unique and more" in consumption conception, source, sum, structure and level.
随着“80后”成为主消费群体，这些消费者对家庭装饰单品的选择上，个性十足。
With "80" has become the main consumer groups, these consumers the choice of home decor items on a single, full of personality.
同时利用群体间的单倍型的错配分布和遗传距离分析了各群体的亲缘关系。
The relative relationship among populations was also analyzed through pairwise distribution and genetic distance between haplotyoes.
接着采用单形交叉算子来对当前群体进行交叉操作；
Secondly, simplex crossover operator is used to population to generate offspring.
试验以单晚稻武育粳5号和9325为对照，研究武运粳7号的特征特性和高产群体质量指标。
Taking single cropping late rice Wuyujing 5 and 93 25 as contrast, the variety characters and the high yield population quality indexes were studied.
在理论上，对养育目标文化差异的解释呈现出从群体水平到个体水平、从单维到双维的发展趋势。
Theories of these differences have been switching from group-level to individual-level, and from uni-dimension to dual-dimension.
在理论上，对养育目标文化差异的解释呈现出从群体水平到个体水平、从单维到双维的发展趋势。
Theories of these differences have been switching from group-level to individual-level, and from uni-dimension to dual-dimension.
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