physical quantity

基本解释

And neither the purchase nor the sale changes the physical quantity of the commodity available to the market.
期貨也改變不了市場上可購買的貨物的物理數量。
A double can represent numbers up to about 1.8*10308, which covers almost any physical quantity I can think of.
double的最大值爲 1.8*10308，幾乎能夠表示任何物理量。
On the contrary, there would now be twice as many dollars, and twice as many euros, as before — even though the same physical quantity of wheat would be harvested.[1]
相反將會出現雙倍數量的美元，雙倍數量的歐元，跟以前一樣--即使衹是收獲了和以前一樣的小麥産量。

OK, but in order to relate turning these physical knob to this quantity here, which we don't have a very good feel for, we've got to have a feel for the slopes.
熱量是怎麽進一步改變的,但是爲了把這些物量同我們，不是很理解的焓聯系起來，我們對微分已經有了一定的了解。
麻省理工公開課 - 熱力學與動力學課程節選

Confirming this strain on physical silver supplies, just this morning the RCM went on allocation, limiting the quantity of sales of the popular Silver Maple Leaf coin.
FORBES: Royal Canadian Mint 'Managing' Silver Supply