查询词典 copulations

Mating success varies widely from bird to bird, with number of copulations per individual during the breeding season ranging from zero to several dozen.

鸟与鸟之间的交配成功率差别很大，个体在繁殖期间的交配次数从0到几十次不等。

LED illumination of 590 nm decreased the mating rate from 89.15% in the control to 52.5% in the treatment, and the number of copulations.

本试验的结果还表明，505nm和590nm的LED光照能够改变棉铃虫成虫的产卵动态，使平均产卵期延长2d左右，同时也能显著地降低棉铃虫卵的孵化率，但对棉铃虫产卵量的影响不显著。

As I note in a previous post , such men receive disproportionate opportunities for extra-pair copulations and short-term mating because women typically seek them out for their high-quality genes.

正如我在以前的文章中说过的那样，这样的男人拥有更多伴侣外性交和短期交往的机会，因为女人常常为其高质量基因而选中他们。

Nevertheless, there is no doubt that the prevalence of female-female pairs in the Oahu colony changes the costs and benefits of traits such as extra-pair copulations for males and egg recognition for females.

然而，毫无疑问，瓦胡岛盛行的雌雌伴侣现象改变了与雄鸟额外配对交尾和雌鸟辨认鸟蛋的成本和效益。

Roughly speaking, the most competent birds averaged about twice as many copulations as the slowest problem-solvers, the researchers report.

研究人员称，大体上讲，能力最突出的那些鸟的交配次数约为解决问题能力差的鸟的两倍。

A pairwise comparison of paternity studies of bird populations in relation to genetic variability as determined by minisatellite band sharing coefficients among unrelated individuals was used to test the prediction that females should engage more frequently in extra pair copulations in populations with a greater amount of genetic variation.

小卫星共有谱带系数(minisatellitebandsharingcoefficient)可确定无亲源关系个体之间的遗传变异性，对与遗传变异性有关的雄性个体的父亲进行了成对比较以检验如下假说：在具有较多遗传变异的种群中，雌性个体更经常地进行配偶外交配。

Male infertility, female fertility and extrapair copulations

这种状况叫多精入卵，结果毁了卵子和卵子的受精机会。

We discussed the total design of WEDM CNC programming system based on the Object Oriented Programming idea, studied the fitting method of a plane curve, used an efficient and stable curve approximating method; studied the planar translations of graphs and arc copulations between curves; discussed the interface technology to popular CAD software; discussed letters and images automatic programming system, and brought out a simple and convenient

该软件以PC为开发平台，以Windows为操作系统，采用了图形交互的编程方式，界面友好，操作方便。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。