OK, so let's say I multiply the matrix I with a vector x1, x2, x3. What will the first entry be?
好，我将矩阵i和向量x 1, x 2, x3相乘，第一个元素是什么？
2
The X3 and the X2 use very different designs to get around these limitations.
X3和X2采用截然不同的设计来绕开这些限制。
3
In a slew of product announcements at the conference, Nokia showed off the X3 and X6 music phones and said it will launch its N97 mini-handset in October.