The definition of operator homeomorphism mapping , together with its characterizations, is given in this paper.在算子开集理论中给出了算子同胚映射的概念, 得到了算子同胚映射的若干性质....
Wendy popped in for a quick bite to eat on Monday night.温迪周一晚上过来匆匆吃了点儿饭。Wendy decided the sport was not for her.温迪认定这项运动不适合她。The attacker knocked on their door and made a lunge for Wendy when she answered.歹徒敲了他们的门，温迪一开门便...
Properties: White powder with Specific Gravity of 7.10, easily absorb moisture, without flammability and causticity.物理性能: 白色粉末,比重7.10, 易吸湿, 无可燃性和腐蚀性.Ammoniacal synthesis procedure has some dangerous characteristics, for ...
DOB values could not reflect the density of neutrophil and lymphocyte infiltration.DOB值的高低难以反映胃黏膜内中性粒细胞和慢性炎症细胞的浸润程度.There was no correlation between DOB values and severity of inflammatory infiltration.黏膜炎症程度的分级与DOB值无相关性...
Missilemen were busy at launching pads and hangars, preparing for two new moon shoots.火箭专家们在发射台及飞机棚中忙着准备两次月球火箭之发射试验.The paved strip in front of and around airport hangars and terminal buildings.停机坪飞机机库及建筑物端饰前及周围的铺过的临时跑道....