1) multiple mating
多次交配
1.
Strategies used by male and female insects in multiple mating behavior and sperm competition;
昆虫在多次交配与精子竞争格局中的雌雄对策
2.
However,the understanding in maintenance and evolution of multiple mating behaviors remains controversial.
多次交配行为广泛存在于各种昆虫种类中。
2) number of copulations
交配次数
1.
Based on the sex determination of Hymenoptera parasitic wasps that unfertilized egg develops into a male while fertilized egg develops into a female, the insemination potential of male Trichogramma ostriniae and its relationship with body size, age and the number of copulations were studied.
根据膜翅目寄生蜂未受精的卵发育为雄性个体,受精卵发育成雌性个体这一性别决定机制,考察了玉米螟赤眼蜂雄蜂生殖力的大小,探讨了雄蜂授精能力与个体大小、年龄及交配次数之间的关系。
3) multiple-crossing
多次相交
1.
In the designing of the parameters of the dual-loop control systems,multiple-crossing may happen if the parameter is not proper.
针对双闭环控制系统控制环节参数设计中可能出现的多次相交现象,从理论分析了发生多次相交的条件,并运用Matlab/Simulink对理论分析结论进行了验证。
4) several crossover
多次交叉
5) multi-level configuration
多层次配置
1.
Based on analyzing the limitations of Assembly-to-Order(AtoO) configuration system,a multi-level configuration design method for complicated Engineering-to-Order(EtoO) product was presented.
在分析按单装配型配置系统不足的基础上,提出一种按单设计型复杂产品多层次配置的设计方法。
补充资料：盖罩大蜗牛(Helix pomatia)交配
陈德牛摄
[图]
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条