它们的

If those quasi-liberal experiments have not lived up to their proponents' expectations, they have also failed to fulfil their detractors' greatest fears.

如果说那些准自由化的实验并没有实现它们的支持者的期望，它们也没有完全印证其毁谤者最大的忧虑。

The length and amplitude of the quasi-periodic signals are change with time.

这些准周期分量的周期长度和振幅是随着时间变化的，文中给出了它们的时变图象并讨论了它们的时变特征。

Early spring when the left side of the stone bench in the courtyard next to a few clusters dazzling drilled tip buds, leaves Nennen, and thin, and I thought it was a dog bark or Achnatherum it, it did not go ignored, until more than 20 days , they are thriving to extend to the leaves, and I have come to realize that their leaves are thin and long, like a forest outside of the hospital faint of wild orchids.

初春时，在院子左侧的石凳旁，钻出了几簇绿绿的芽尖，叶子嫩嫩的、薄薄的，我以为是汪汪狗或芨芨草呢，也没有去理会，直到二十多天后，它们的叶子蓬蓬勃勃地伸展开了，我才发觉它们的叶子又薄又长，像是院外林间幽幽的野兰。

And not just in the wilderness either. One day I was watching the swallows flying back and forth to their nests under our eaves here in Beijing when I suddenly noticed they had red patches between their tails. I immediately looked them up in my bird book and discovered they were red-rumped swallows, a species I had never seen before.

D/ R# q！ D% l# z# f8 q4 J# l 这种学习不仅仅限于野外，今年有一天，我在观察窗外燕子的时候，突然发现在它们的尾羽之间分布着红色的斑点，立即查阅鸟类图谱，才知道它们叫金腰燕，是我从未见过的品种。

All the cordon bleu finches died, still in their transition cages; maybe they were too cold during an unusually cloudy Arizona winter.

所有的蓝饰雀还在它们的过渡笼里就都死了，可能是它们没能挨过不寻常的亚利桑那州的冬天。

After many failed attempts to provoke a reaction by playing recordings of cricket song to them, she realised that they were actually more interested in her own footfalls than in the airborne music of their fellow crickets .

为使蟋蟀作出反应，她把它们的叫声录下来播放。但几次试验都失败了。之后她发现，它们对她的脚步声似乎比空中传来的同类的叫声更感兴趣。

We put them in a fast-track 12-to 14-month intensive training program and place them in a country of their choice.

我们把它们放在一个&快行道&12-to 14个月的密集的训练计划，然后将它们的国家中，他们的选择。

Piersma's research on shorebirds called red knots has revealed the birds can morph their phenotypes depending on their migration routes.

Piersma对被称为&红结&的岸禽类鸟的研究显示了这种鸟可以根据它们的移动路线来变化它们的显型。

They appeared to be of the same gap. But the distance between two columns was getting wider and wider, so that they became lost in his view, until they were replaced by stalagmites, lining up one after another.

眼睛看时，它们的距离是相同的，然而柱与柱的距离越拉越宽，渐渐它们迷失在他的视线里，并且接着以一棵棵石笋所代替。

Cygnoides , species which are so different that they are generally ranked in distinct genera, have often bred in this country with either pure parent, and in one single instance they have bred inter se.

是如此不同的种类，以至它们常被归入不同的属，但在英国它们的杂交品种常常与纯父代种之一进行配育，且有一个育出混血后代的例子。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。