| 1. | What species have you ever successfully bred 曾经饲养种类:曾成功繁殖品种: |
| 2. | Researchers have successfully produced a group of them using artificial insemination 研究人员通过人工授精的方式成功繁殖了一群考拉。 |
| 3. | The zoo has been a world leader in gorilla breeding , with more than three - dozen born here since 1970 该动物园在大猩猩养殖方面居世界前列, 1970年来成功繁殖近四十只。 |
| 4. | The reproductive 3 capacity of one little egret was l . 96 per year , and the survived nestlings for one nest was 3 . 37 每年每只白鹭的繁殖力为1 . 96只雏鸟,每巢成功繁殖3 . 37只。 |
| 5. | Such a discrepancy would have a dramatic impact on the reproductive success of certain fish , and could mean population decline and possible extinction 这个失衡会直接影响某些鱼种的成功繁殖,引起数量的减少,并可能消失。 |
| 6. | On the basis of 6 years of research , this result showed that adult chinese alligators could lay eggs in the next year if the temperature 5 ~ 8 during a deep hibernation for them 6年的研究表明扬子鳄在深眠期的温度处在5 ~ 8时,扬子鳄越冬后能够成功繁殖产卵。 |
| 7. | The majority of breeders have respect for the history and standard of the miniature schnauzer and as a result the successful show lines can be considered free of this recessive colour gene 绝大部分的繁殖者们已经开始重视迷你雪纳瑞的的历史和标准,而且,作为成功繁殖出赛级犬系谱的繁殖者们很容易就看出这是隐性颜色基因的结果。 |
| 8. | The unusually large numbers of black - winged stilts let alone the first confirmed successful breeding attempt at mai po this year , is thought to be due to the creation of a number of rain - fed freshwater habitats in recent years , and which the birds appear to prefer 本年飞抵保护区的黑翅长脚鹬的数目非常多,而且更首次在区内成功繁殖,可能是近在年保护区内辟出的数个蓄雨水淡水生境,吸引到黑翅长脚鹬光临。 |
| 9. | To boost their chances at successfully fathering offspring , the male spiders can adjust how quickly they mature , depending on how many mating prospects are nearby , said maydianne andrade , a zoologist at the university of toronto at scarborough in ontario , canada 加拿大艾略特省多伦多大学的一位动物学教授安德雷德说,雄性红背蜘蛛为了增加成功繁殖后代的机会,会根据他周围雌性红背蜘蛛的数量,调节自己的发育快慢。 |