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- The key factors for effective male breeder managment are achieving the correct skeletal size and uniformity;testis development;correct mating ratios and even feed distribution. 对种公鸡有效的管理,关键是要有适当的骨骼尺寸和均匀度,睾丸的良好发育,正确的配种频率,还包括饲料分配。
- Random mating within a breeding population. 自由交配在一个育种群中自由交配
- The widow mourned for her dead mate. 那寡妇为她已故的丈夫服丧。
- Many animals mate in the spring. 许多动物在春天交配。
- The first mate was studying to become a master. 大副正在学习准备当船长。
- Pandas rarely mate (with each other) in captivity. 猫熊在豢养环境中很少(彼此)交配。
- The monkey scratched about in its mate's fur for fleas. 那只猴子在另一只猴子身上找跳蚤。
- The blackbird sat on the nest waiting for the return of her mate. 黑鹂在巢中等候其雄鸟归来。
- The ratio of students to teachers is 35:1. 学生和老师的比率是三十五比一。
- Mating blackbirds will defend their territory against intruders. 黑鹂交配时不容许地盘受到外来的滋扰。
- The ratio of schoolboys to schoolgirls is 2 to 1. 男学生和女学生的比例是2比1。
- Men outnumber women here in the ratio of three to one. 此地男子数量以三比一超过女子。
- The male hunts for food while his mate guards the nest. 雌性动物守巢时,雄性动物猎食。
- The first or last term of a ratio or a series. 首项,末项比率或数列中第一个或最后一个项
- At thirty, he signed on as first mate with a cargo ship. 他30岁时受雇于一艘货船当了大副。
- He is looking for a wife but he hasn't found his ideal mate. 他正在寻找未来的妻子,但还没有找到理想人选。
- The first mate will be in charge when the captain is away. 船长不在时将由大副负责。
- After-tax profit margin is the ratio of net income to net sales. 税後利润率指净收入与净销售之比。
- The ratio of men to women was two to one. 男女的比例是二比一。
- The interval between any two frequencies having a ratio of2 to1. 倍频程频率比率为2比1的两个频率的间隔