Meanwhile, the Drazin inverses of PQ and P - Q are established.同时, 给出正交投影的积PQ和差P -Q 的Drazin逆的表达式.Watch the spreads i . e. don't be bullish if inverses are narrowing.注意多空套做. 也就是说假如顺好在加大不要看多.Constant folding and const...
Energy and mass are equal and interchangeable.能量与质量相等而又是可以互相转换的。Interchangeable spray - can nozzles fitted to can to var y width of spray.可互换的水沫 - 罐子喷嘴适合将改变水沫的宽度装于漆灌.His greatest innovation was the use of interchangeable...
摄影师停止按动快门，匆匆绕过拐角。The photographer stopped clicking and hurried around the corner.他跑过拐角时与一群小孩相撞。He ran around the corner, cannoning into a group of kids.这个拐角难拐, 我们必须让钢琴慢慢绕过.This is a trick corner; we must ease the piano r...
PCI bus is taking the place of ISA and EISA buses gradually.PCI总线已经逐渐取代ISA和EISA总线的位置.The board bus standard is ISA, communicating according to 485 protocol.接口板为ISA总线标准, 以485通讯协议与外界接口.The PCI and ISA buses are designed in...