usrpb200为什么那么贵?(英语丑小鸭的故事?)

usrpb200为什么那么贵?

这种软件无线电的东西都很贵,原装的更贵,个人感觉是usrp的开发接口,支持软件做的很好,gnuradio很好用,硬件性能也可以,所以贵是肯定的,想便宜点的话rtl-sdr,很便宜,或者hackrf one,1200左右一个

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英语丑小鸭的故事?

Ugly Duckling

The countryside was lovely. It was summer. The wheat was golden and the oats were still green. The hay was stacked in the low-lying meadows. There lay great woods around the fields and meadows. There were deep lakes in the midst of the woods. In the sunniest spot stood an old mansion surrounded by a deep moat. Great leaves grew from the vines on the walls of the house right down to the water's edge. Some of the leaves were so big that a child could use them as an umbrella.

In the depths of a forest a duck was sitting in her nest. Her little ducklings were about to be hatched.

At last one egg after another began to crack." Cheep, cheep!" the ducklings said." Quack, quack!" said the duck. " How big the world is!" said all the young ones.

But the biggest egg was still there. And then she settled herself on the nest again.

"Well, how are you getting on?" said an old duck who came to pay her a visit." This egg is taking such a long time," answered the sitting duck."

The shell will not crack, but the others are the finest ducklings. They are like their father."

"let me look at the egg which won't crack," said the old duck." You may be sitting on a turkey's egg! I have been cheated like that once. Yes. it's a turkey's egg! You had better leave it alone and teach the other children to swim."

"I will sit on it a little longer."

At last the big egg cracked. How big and ugly the baby was! " That is a very big duckling." she said, " None of the others look like that. Can he be a turkey's chick? I will soon find out. I will make him go into water."

The next day the mother duck with her family went down to the moat. She said, and one duckling jumped in after another.

The big ugly one swam about with them." No, that is no turkey," she said," Quack, quack! Now come with me and I will take you into the world. Keep close to me all the time. Be careful of the cat!" The first day passed, and everything was fine.

Afterwards, matters grew worse and worse. The poor duckling was chased and harassed by all the ducklings because he was very ugly.The ducks bit him, the hens pecked him. and the girl who fed them kicked him aside. Then he ran off and soon came to a great marsh where the wild ducks lived.

He was so tired and miserable that he stayed there the whole night.

In the morning the wild ducks flew up to see their new friend." You are very ugly," said the wild ducks," but that does not matter to us." He stayed there two whole days . And then two wild geese came. Just at that moment the sound of "Bang! Bang!" was heard, and both the wild geese fell dead among the reeds.

It was a terrible shock to the poor duckling.

A big dog appeared close beside him. He showed his sharp teeth and went on without touching him.

"Oh, thank Heaven! I am so ugly that even the dog won't bite me!" sighed the duckling.

In the evening he reached a little cottage where an old woman lived with her cat and her hen. Her eyesight was not good, and she thought the duckling was a fat duck. will be rich if I have duck eggs," she said. So she took in the duckling for three weeks, but he laid no eggs.

The cat was the master of the house and the hen was the mistress.

"Can you lay eggs?" asked the hen.

"No," answered the duckling.

"Then you had better go out into the wide world," said the cat. So away went the duckling.

One evening the sun was just setting when a flock of beautiful large birds appeared out of the bushes.

The duckling thought," I've never seen anything so beautiful."

They were dazzlingly white with long necks. They were swans. He did not know what the birds were.

The winter was so bitterly cold that the duckling swam about in the water to keep himself from freezing.

The sun began to shine warmly again. The larks were singing and beautiful spring had come. Then, all at once, the duckling raised his wings and they flapped with much greater strength than before. Before he knew it, he found himself in a large garden where the apple trees were in full blossom and long branches of lilacs overhung the shores of the lake.

Just in front of him he saw three beautiful white swans swimming towards him.

"I will fly to them and they will hack me to pieces because I am so ugly. But it doesn't matter. I would rather be killed by them than be bitten by the ducks or pecked by the hens." So he flew into the water and swam towards the swans. They saw him and darted towards him.

"Kill me! Oh, kill me!" said the poor duckling, and he waited for his death bowing his head towards the water.

But what did he see in the clear water? He was no longer a dark gray ugly bird. He was himself a swan!

Some children came into the garden with corn and pieces of bread, which they threw into the water.

The smallest child shouted with joy," There is a new one." The other children shouted, "Yes, a new one has come."

He said to himself, " I never dreamed that I could be so happy when I was the ugly duckling!"

拓展资料:

作者简介:

汉斯·克里斯蒂安·安徒生(HeinzChristianAndersen1805—1875)丹麦作家。1805年4月2日生于丹麦菲英岛欧登塞的贫民区。父亲是个穷鞋匠,曾志愿服役,抗击拿破仑·波拿巴的侵略,退伍后于1816年病故。

当洗衣工的母亲不久即改嫁。安徒生从小就为贫困所折磨,先后在几家店铺里做学徒,没有受过正规教育。少年时代即对舞台发生兴趣,幻想当一名歌唱家、演员或剧作家。1819年在哥本哈根皇家剧院当了一名小配角。后因嗓子失润被解雇。从此开始学习写作,但写的剧本完全不适宜于演出,没有为剧院所采用。

1822年得到剧院导演约纳斯·科林的资助,就读于斯莱厄尔瑟的一所文法学校。这一年他写了《青年的尝试》一书,以威廉·克里斯蒂安·瓦尔特的笔名发表。这个笔名包括了威廉·莎士比亚、安徒生自己和司各特的名字。

1827年发表第一首诗《垂死的小孩》 ,1829年,他进入哥本哈根大学学习。他的第一部重要作品《1828和1829年从霍尔门运河至阿迈厄岛东角步行记》于1829年问世。这是一部富于幽默感的游记,颇有德国作家霍夫曼的文风。这部游记的出版使安徒生得到了社会的初步承认。此后他继续从事戏剧创作。

1831年他去德国旅行,归途中写了旅游札记。1833年去意大利,创作了一部诗剧《埃格内特和美人鱼》和一部以意大利为背景的长篇小说《即兴诗人》(1835)。小说出版后不久,就被翻译成德文和英文,标志着作者开始享有国际声誉。

寓意:比喻不被关注的小孩子或年轻人,有时也指刚刚出现、不为人注意的事物。丑小鸭历经千辛万苦、重重磨难之后变成了白天鹅,那是因为它心中有着梦想,梦想支撑着它。是金子早晚会发光。命运其实没有轨迹,关键在于对美好境界、美好理想的追求。人生中的挫折和痛苦是不可避免的,要学会把它们踩在脚下,每个孩子都会有一份属于自己的梦想,只要他们学会树立生活目标,在自信、自强、自立中成长,通过拼搏他们会真正的认识到自己原来也可以变成“白天鹅”,也可以像丑小鸭一样实现心中的梦想,人只要有了梦想,那么,困难也不再是困难了。

速度与激情特别行动片头曲?

歌名是《Time in a Bottle》,它是由美国民谣摇滚歌手Jim Croce演唱,歌词如下:

Time in a Bottle

谱曲:Jim Croce

制作人:Terry Cashman

填词:Jim Croce

歌曲原唱:Jim Croce

If I could save time in a bottle

如果我可以把时光保存在瓶子里

The first thing that I like to do

我想做的第一件事

Is to save everyday till eternity passes away

就是保存每一天,直到永恒消逝

Just to spend them with you

然后与你一同分享

If I could make days last forever

如果我可以使时光停驻

If words could make wishes come true

如果言语可以使梦想成真

I'd save everyday like a treasure

我会把每天像宝藏一样保存下来

And then again I would spend them with you

然后,再次与你分享

But there never seem to be enough time

但是,时间似乎永远不够

to do the things you want to do

让你去做你想做的事

Once you've found them

一旦你已察觉

I've looked around enough to know

四处寻觅,我已明了

That you're the one I want to go through the time with

你就是我想要一起共度时光的人

If I had a box

如果我有一个盒子

just for wishes and dreams that had never come true

收集了未曾实现的愿望和梦想

The box would be empty

盒子里面可能是空的

Except for the memory of how they were answered by you

除了你有所响应的回忆以外

But there never seem to be enough time

但是,时间似乎永远不够

to do the things you want to do

让你去做你想做的事

Once you've found them

一旦你已察觉

I've looked around enough to know

四处寻觅,我已明了

That you're the one I want to go through the time with

你就是我想要一起共度时光的人

hackrfone听短波广播好吗?

还可以。正好手里有一台!如果是新手入门的话是非常好的选择,价格也合理。如果要全双工工作,另选其他的吧。本振干扰肯定是有的。。。

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