卫星数不足
satellite number insufficiency
Cotlar不等式及加权范数不等式
Cotlar’s inequality and weighted norm inequalities
Hardy-Hilbert重级数不等式
Hardy-Hilbert’s double series inequality
百足之虫死而不僵
a centipede dies but never falls down
old institutions die hard
伴有小泡性肺换气不足
Extreme obesity with alveolar hypoventilation