Flash back to 1915, when a bottle of Coca-Cola cost just a nickel.
回到1915年,一瓶可口可乐只卖五美分。
A company in Canada tried to buy access to a nickel deposit in Quebec by offering cash and two ice resurfacers for the local rink.
一个加拿大公司试图以向当地溜冰场提供现金和两架冰层表面修理器为条件,买下魁北克的一座镍矿床。
I would have a nickel and two pennies back.
我要拿回一枚五分硬币和两枚一分硬币。
The material was a mixture of the metals nickel and chromium.
VOA: special.2010.07.07
And at first this was done by Davidson and Germer, and they were American scientists who tried diffracting electrons from a nickel crystal.
这个实验首先是由,美国科学家Davidson和Germer完成的,他们尝试从镍晶体中衍射电子。
There is no way that you could irradiate a crystal of nickel with a single beam of x-rays and get that circular ring pattern if the electron beam were behaving as a particle beam only.
没有什么其他的途径,可以让镍晶体发射,单束X光来,继而得到环状图案,如果电子束,是以粒子束形式出现的。
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