So let's look at the demand for Firm 1, which is going to end up being the quantity that they sell.
公司1产品的需求量,即,它所销售的数量
The radius of the nucleus as compared to the radius of the entire atom is on the order of about one to 10,000.
原子核的半径,相对于整个原子的半径来说,是1比10000这个数量级。
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