Study the anti-fecundity effect of artesunate against the schistosoma mansoni by observation and analysis of the parasite egg laying.

通过观察青蒿琥酯对曼氏血吸虫雌虫产卵的影响，分析药物的抗生殖作用。

This is egg laying season, if you're a bird.

如果你是一只鸟，现在就是产卵季节。

The flies were given two different fruits as egg laying sites.

产卵点选择后果蝇被供给2种不同的水果。

The egg laying rooster, the fighter of the rooster, Oh-yeah!

下蛋公鸡，公鸡中的战斗机，哦也！

They deposit larvae that will grow up to egg laying females.

它们产生幼蚜，以后发育为产卵雌蚜。

The lack of a good nesting spot can cause some females to withhold egg laying, with dangerous consequences.

缺少合适的巢可能引起雌性克制产卵，把她至于危险境地。

And when the days grow shorter in the winter, the lights are left on longer, because light stimulates egg laying.

此外，当冬季白天变短的时候，养鸡棚里的照明时间就要加长，因为光线会刺激母鸡产蛋。

CONCLUSION: the positive circulating membrane antigen reaction is closely related to egg laying by the female worms.

结论：循环表膜抗原阳性反应与雌虫排卵密切相关。

This new forced egg laying technique encourages the females to lay eggs which we were then able to rear into viable populations.

这种新的诱导产卵技术可以让母蚊子产卵以使我们能够将之培育进而得到足够数量的蚊子。

There was no significant difference on the egg weight, egg shape and egg laying period between the experimental groups and control groups.

同时对两组间的卵重、卵形、产卵期进行了测定，无显著差异。

Aim: To study the anti-fecundity effect of artesunate against the schistosoma mansoni by observation and analysis of the parasite egg laying.

目的：通过观察青蒿琥酯对曼氏血吸虫雌虫产卵的影响，分析药物的抗生殖作用。

The question would be simple if we took it literally, egg laying animals existed far before chickens came about, So technically the egg came before the chicken.

如果我们只看字面意思问题就变得很简单了，卵生动物在鸡类之前很早就出现了，所以技术上讲是蛋先于鸡。

We have not only seen an earlier break up of ice on rivers and melting glaciers, but also the early emergence of insects, egg laying by birds and the flowering of plants.

克拉克说，“我们不仅看到了冰河提前开冻，冰山融化，而且看到提前出现的昆虫、提前下蛋的鸟类和提前开花的植物。

The period of time from when the first sign of courtship begins through to egg laying will vary enormously, not only between species but between individuals within a species.

从开始求偶到下蛋的这段时间的长度会非常的不同。不仅仅是种间的差距还有种内不同个体之间的差距。

If sufficient rain falls the next year to form another lake, the eggs hatch, and once again the shrimps pass rapidly through their cycle of growth, adulthood, egg-laying, and death.

如果第二年有足够的雨水形成另一个湖泊，卵就会孵化，小虾会再次快速地经历生长、成年、产卵和死亡的循环。

Some hobbyists often turn to egg-laying types like the angel-fish, the striped zebras, and the neons.

某些内行人常常喜欢喂养产卵型观赏鱼，像天使鱼、斑纹鱼、和霓虹脂鲤。

Today, this bizarre but fascinating creature is known as the platypus, one of only five extant monotremes (egg-laying mammals).

如今，这种怪诞但迷人的生物被命名为鸭嘴兽，现存的五种卵生哺乳动物之一。

Chickens were included to represent egg-laying animals, such as extinct reptiles, that passed on much of their DNA to the platypus and other mammals in the course of evolution.

鸡被作为卵生动物的代表，一些已经灭绝的爬行动物可能在进化过程中将基因传给了鸭嘴兽和其他哺乳类。

In 1474, legal proceedings were instituted at Basel against a rooster accused of laying an egg for purposes of witchcraft.

1474年，在巴塞尔有人提起诉讼，指控一只为了巫术而生蛋的公鸡。

I've gone native and now keep three egg-laying hens in my backyard.

我已经彻底变成了本地人，在后院里养了三只下蛋的鸡。

The genome also included sections of DNA linked to egg-laying and others for lactation.

其基因也包括了卵生和哺乳的部分。

They are the only two egg-laying mammals in the world.

它们是世界上唯一的两种产卵的哺乳动物。

Fish, some amphibians and primitive egg-laying mammals such as the duck-billed platypus use similar pits to pick up electric fields generated by nearby animals.

鱼，一些两栖类和原始的产卵的哺乳动物，如鸭嘴兽，使用类似的凹陷获得附近的动物产生的电场。

Fischer also suspects that the ancient sharks spent their whole lives in lakes and rivers in contrast with modern egg-laying sharks whose life cycles are exclusively Marine he noted.

Fischer也认为古时候的鲨鱼一生都在湖泊，河流中度过；而不像现在的鲨鱼，一辈子的时间都呆在海洋中。

The hobbyists like egg-laying fish.

内行人喜欢产卵型观赏鱼。

A the size of the smallest host egg that a wasp could theoretically parasitize can be determined from the wasp's egg-laying behavior.

我理解选项的意思是黄蜂卵能够寄生的最小的寄主卵的大小可以根据黄蜂产卵的行为从理论上推算出来。

He would allow only eggs on his table, because egg-laying meant that the hen had been spared rather than killed.

他只允许鸡蛋上饭桌，因为下鸡蛋意味著老母鸡又开始生长新的鸡蛋而不是一命呜呼。

The frequencies of appearance and numbers of reproductives from the different initial colonies and their capacity to start egg-laying were also observed.

此外，还对分离群体产生补充生殖蚁的频率、数量及初期产卵能力进行了观察。

Chickens are now specifically bred for either eating or laying eggs. Male "egg-laying" chicks, unable to fulfill their purpose, are all killed right away, often very inhumanely.

鸡现在的饲养目的就是吃掉或下蛋，下出来的蛋若是雄的，不予理会任何他们生来的意义，立即处死，通常都是非常没有人性的方式。

Some hobbyists often turn to egg-laying types like the angel-fish, the striped zebras, and the neons. Fancy goldfish, too, are collected more now.

某些内行人常常喜欢喂养产卵型观赏鱼，像天使鱼、斑纹鱼、和霓虹脂鲤。奇特的金鱼现在也被更多喂养。