单词：Fresnel lens magnifier
单词：Fresnel lens magnifier 相关文章
Our story today is called The Diamond Lens. It was written by Fitz-James O'Brien. We will tell the story in two parts. Now, here is Maurice Joyce with part one of The Diamond Lens. When I was ten years old, one of my older cousins gave me a microscop
2018年VOA慢速英语(二)月
Sharing Your Life Message Those who believe in the son of God have the testimony of God in them. 1John 5:10a (GWT) Your lives are echoing the Master's word ....The news of your faith in God is out. We don't even have to say anything anymore -you're t
标杆人生
Our story is called The Diamond Lens. It was written by Fitz-James O'Brien. Today we will hear the second and final part of the story. Here is Maurice Joyce with part two of The Diamond Lens. When I was a child, someone gave me a microscope. I spent
2018年VOA慢速英语(三)月
The search for alien life 寻找外星生物 Twinkle, twinkle, little planet 闪烁吧，小行星 An undervalued optical trick may help to find life in other solar systems 一个不被人重视的光学方法可能能帮助寻找其他太阳系的生命
经济学人科技系列
Science and technology. 科技。 The search for alien life 寻找外星生物 Twinkle, twinkle, little planet 闪烁吧，小行星 An undervalued optical trick may help to find life in other solar systems 一个不被人重视的光学方法可能能
经济学人综合
And so I'm going to take a few examples from our work. 我想要举几个我们在研究中发现的例子。 One first saying that I'm sure you all have heard 这第一个说法，我想大多数人都听说过： is the fact that too much screen ti
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