The Unknown Quantity的意思|示意

By comparing the heating effect of an unknown AC signal to that from a known DC reference, metrologists can determine the RMS AC quantity (voltage or current) in terms of the DC quantity.

为了对比一个已知直流参考的未知交流信号热效应，计量人员可以确定在一段时间内直流的交流有效值(电压或电流)。

Under the physical coordinate, the horizontal displacement is taken as an unknown quantity, and a nonlinear problem with big displacement of solid mechanics is introduced.

采用物质坐标，用水平位移作为基本未知量，成为固体力学的非线性大位移问题。

Woodstock for them is only a picture in their textbooks, the Chicago Seven (or was it Eight?) are an unknown quantity.

伍德·斯托克对于他们来说只是教材里的一张图片，芝加哥七人(又或者是八人？)对于他们来说是一个未知的组合。

Mary is a possibility for the position, but she is still an unknown quantity.

玛丽可能获得这工作，但(能否获得)现在还是个未知数。

Additionally, an unknown quantity of methane in the form of hydrates (or clathrates) lies trapped beneath the polar sea floors.

此外，未知数量的甲烷以水合物(或气水化合物)的形式被困在极地海洋海底之下。

To shanti the outside world was a totally unknown quantity.

对尚蒂来说外面的世界完全是个未知数。