Multifunction sensor can be used to measure several physical quantity simultaneously.

多功能传感器可以同时测量几个物理量。

youdao

And neither the purchase nor the sale changes the physical quantity of the commodity available to the market.

期货也改变不了市场上可购买的货物的物理数量。

youdao

The color of objects is a psychology physical quantity. It has relation with the object itself and human color vision.

物体的颜色是一个心理物理量，既与物体本身有关，又与人的颜色视觉有关。

youdao

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.

热量是怎么进一步改变的,但是为了把这些物量同我们，不是很理解的焓联系起来，我们对微分已经有了一定的了解。

麻省理工公开课 - 热力学与动力学课程节选

They have a tough group with the world champions - and in my opinion the best team in the world - Brazil, a brave and physical Norwegian side and the unknown quantity of Morocco.

BBC: Confidence is key for Scotland

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