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Fibronectin had more ability to promote cell adhsion than collagen type I under such circumstances,SEM micrographs showed that MSCs all had a spread-out appearance with uniform distribution on polymer substrates precoated with fibronectin or collagen type I .

通过样本连续切片，图像分析系统分析各组动物新骨形成'情况，显示应用多孔PLGA块状材料经1型胶原修饰后体内成骨明显优于对照组，表现在：1。

One old man, who has been a close observer of Nature, and seems as thoroughly wise in regard to all her operations as if she had been put upon the stocks when he was a boy, and he had helped to lay her keel —— who has come to his growth, and can hardly acquire more of natural lore if he should live to the age of Methuselah ——told me —— and I was surprised to hear him express wonder at any of Nature's operations, for I thought that there were no secrets between them —— that one spring day he took his gun and boat, and thought that he would have a little sport with the ducks.

有一位老年人，是大自然的精密的观察家，关于大自然的一切变幻，似乎他有充分的智慧，好像他还只是一个孩子的时候，大自然给放在造船台上，而他也帮助过安置她的龙骨似的，——他现在已经成长了，即使他再活下去，活到玛土撒拉那样的年纪，也不会增加多少大自然的知识了。他告诉我，有一个春季的日子里，他持枪坐上了船，想跟那些野鸭进行竞技，——听到他居然也对大自然的任何变幻表示惊奇，我感到诧异，因为我想他跟大自然之间一定不会有任何秘密了。

The latter had certainly imagined upon going out a half-hour before that he had turned the knob on the door so as to spring the lock.

马休半小时前离开时，肯定以为自己将门上的锁钮旋到了位，门锁上了。

The Mole had been working very hard all the morning, spring-cleaning his littleHome. First with brooms, then with dusters; then on ladders and steps andchairs, with a brush and a pail of whitewash; till he had dust in his throat andeyes, and splashes of whitewash all over his black fur, and an aching back and

整个上午，鼹鼠都在勤奋地干活，为他小小的家屋作春季大扫除，先用扫帚扫，再用掸子掸，然后登上梯子、椅子什么的，拿着刷子，提着灰浆桶，刷墙，直干到灰尘呛了嗓子，迷了眼，全身乌黑的毛皮溅满了白灰浆，腰也酸了，臂也痛了。

There was still a noticeable bounce in her stride, but whatever springiness I had once possessed had long since left me.

我注意到她步伐中的跳跃，那种弹性，很久以前我也有过，但现今离我很远了。

The reasons why quarter-sawn board of Larch had smaller wet compressing shear strength than flat-sawn board of Larch for repeatedly boiling samples were as follows: first of all, antiswelling efficiency between springwood and summerwood of Larch was different; secondly, pits of Larch had great effect on this aspect.

造成桦木反复煮沸压缩剪切强度径切板的比弦切板的要大的主要原因是在弦切面木射线是被横断的，因此，在弦面上留下射线管胞的孔隙，在反复煮沸时这些孔隙成为了水分的通道，因而使桦木反复煮沸压缩剪切强度径切板的比弦切板的要大。

The former sprinter said that she had let down her fans and family and that they had the right to be angry.

这位前短跑运动员说她让她的家人和朋友失望了，他们有权对他生气。

The former * sprinter said she had let down her friends and family and that they had the right to be angry.

这位前短跑运动员说他让她的家人和朋友失望了，他们有权对他生气。

The former sprinter said that she had let down her fans and family, and that they had the right to be angry.

这位前短跑选手说，她让她的支持者和家人蒙羞了，他们有权力愤怒。

The former sprinter said she had let down her fans and family and they had the right to be angry.

这个前短跑名将说她让她的粉丝和家人失望了，他们有权气愤。

But this is impossible, as long as it is engaging in a market economy, there are risks in any operation.

但是，这是不可能的，只要是搞市场经济，是有风险的任何行动。

We're on the same wavelength.

我们是同道中人。