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...

vt.使倒转（inverse的第三人称单数形式）...

inverses的音标：inverses的英式发音音标为：[ɪn'vɜ:sɪz]inverses的美式发音音标为：[ɪn'vɜsɪz]...