Product Number

基本解释

Each item in the store has a bar code or a product number.
每一件在商店里的商品都会有一个电脑条码或一个产品编号。
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A UPC number consists of a Company Prefix and a Product Number.
UPC 编号包含公司前缀和产品编号。
After the cut in the product after cutting rush on product number and company play logo, date of production, inspection results and other characters and graphics information.
切割完毕后可以在切割后的产品上冲打产品号、公司徽标、出厂日期、检验结果等文字和图形信息。

And, that's equal to the product of e the proton number times e.
正等价于,质子数乘以。
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If you had one negative number in it, then the product would be a negative number and, if you took a root of that, then you might get an imaginary number.
如果这当中有一个负数,乘积就会变成负的,如果你对一个负数开根号,你就会得到一个虚数
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n So the velocity is given by this product of the quantum number n Planck constant 2 pi mass of the electron time the radius of the orbit, which itself is a function of n.
速度是量子数,普朗克常数2π乘以轨道半径的值,它自身也是n的函数。
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For example, a politician is assigned a gross domestic product number but gets a low multiplier, while a foundation executive is assigned the foundation's assets but gets a high multiplier.
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