Known-unknown的意思|示意

X It's a matrix times some unknown vector, x, B equals some known vector, B How do we solve that?

是一个矩阵乘以一些未知的向量，等于一些已知的向量，怎么解？

Little is known about the origins of Hotel Attraction and was unknown until 1956, when a report called "the New World called gaudi" was published.

很少人知道纽约饭店的来源，直到1956年，一篇名为“属于高迪的新世界”的报道的出版。

In their speech, I found all of them had made full use of the present time and conditions to prepare for the future and used the known factors to challenge the unknown ones.

在他们的演讲中，我发现他们都充分利用了现在的时间和条件来为未来做准备，用已知的因素来挑战未知的因素。

She had known Max for some years now, but he was still pretty much an unknown quantity.

她现在认识马克斯也好几年了，但是他仍然是个大大的未知数。

On the other side of success is the unknown, and believe it or not, the unknown is often scarier than the known world of struggle and unfulfillment this side of success.

成功的另一面是未知，不管你相信与否，未知都比现实世界中的斗争和未达到成功更可怕。

Of course, other variables, both known (dedicated bagger) and unknown (payment type, coupons, cigarettes) affect on the speed of the line, but this is a good rule of thumb to use as a baseline.

当然，有些变化的因素，诸如知道的因素(专业装袋工)和不知道的因素(结账方式，优惠券，香烟)会影响速度，但是这是一个不错的基础准则。