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Budgies travel in large flocks in the wild, especially during the time right after a season of abundant rainfall; flocks at that time are around tens of thousands, but normal flocks can range from one to three hundred.

budgies旅行,在大鸡群在野外,尤其是在正确的时间,一个赛季后的降水偏多;成群当时大约有数以万计的,但正常的鸡群,可射程为1至300 。

The effect of iner- tia weight factor on performance of PSO is discussed.The results show that the particle swarm optimiza- tion algorithm with nonlinear inertia weight factor is suitable to solve multivariahle optimum design prob- lem...

结果表明,带动态非线性惯性因子的微粒群算法对求解多变量的干燥优化设计问题具有方法简单、所需微粒群规模小、收敛速度快等特点;采用部分废气循环并进行优化设计对干燥系统的节能具有十分重要的意义,对湿空气出口温度和废气循环比进行优化设计,其年总费用比无废气循环的常规设计节省18.2%,比循环比为0.2时的常规设计节省12.6%。

The 19 QTLs were tested on 8 linkage groups.

共检测到QTLs19个,分布在8个连锁群上,其中,第1和3连锁群最多,各为4个和3个。

The 19 QTLs were tested on 8 linkage groups. No. 1 and No.3 linkage group covered 4 and 3 QTLS separately.

共检测到QTLs19个,分布在8个连锁群上,其中,第1和3连锁群最多,各为4个和3个。

Along the low altitudinal plateau edge, haplotypes A, B and C tended to be fixed or nearly fixed in different populations, indicating that the species may have survived the last glacial period in different refugia within this area, and the bottlenecks due to the repeated reduction and expansion of the population size resulted in the reduction of biodiversity.

在低海拔的高原边缘,Hap A、Hap B和Hap C高频率固定在不同的居群中,表明可能存在多个不同的避难所,居群反复缩小和扩张的瓶颈效应造成了遗传多样性的丢失。

With 25 hollows discovered within 20 km2 areas, this place becomes a world lava hollow museum where natural hollows are the most concentrative with the largest number ,and protists are the best full-grown.

乐业大石围天坑群在20平方公里的范围内已查明天坑有25个,是世界上数量最多、分布最集中和坑底原生殖被发育最好的岩溶发育区,是名副其实的世界岩溶天坑群博物馆。

From the result mentioned above, we could infer that the counseling volunteers put more efforts on the "concerning group", rather than the "well-adapted group". This conclusion is consistent with the expectation for the counseling volunteers.

从上述结果可以推论心辅志工在基层连队心理卫生工作上,对「需中高度关怀群」所投注的心力较「适应良好群」要来的多,此一结论符合部队对於心辅志工在工作上的期待。

Market-oriented first-time home buyers from the initial group began to shift to more two-three main groups.

市场已从最初的面向首次置业群开始更多地转向二次三次主力置业群。

The kinship and construction were analyzed among intra-groups and inter-groups in hibernation groups of greater tube-nosed bats in northern and northeast of China with RAPD method.

用随机扩增DNA多态方法分析白腹管鼻蝠在华北和东北两地冬眠群群内与群间个体之间的亲缘关系,探讨冬眠群的结构组成及其相互关系。

After the basic theory of ACA is introduced,a multiprocessors scheduling policy based on an improved ant colony algorithm is proposed in this paper.

在介绍蚁群算法基本原理以及探讨该算法的缺陷基础上,针对多处理器任务调度问题,提出了一种基于改进型蚁群算法的调度策略。

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推荐网络例句

It seems likely that Kraft will return with a better offer.

看起来卡夫要重新考虑一个更好的出价了。

But he'd rather burn off my feelers and watch me squirm.

可他却放任那个家伙对我为所欲为!

He consistance of the population dissociation coefficient method andthe sample dissociation coefficient method for the calculation of structural reliabilityin solid rocket motors was reviewed.

依据结构强度-工作应力理论模型,应用数理统计方法和对某团体发动机大量试验数据的实例计算,证明了总体变异系数法和样本变异系数法在结构可靠性计算中的一致性。