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...
学生们分组研究复杂的问题。The students work in groups on complex problems.参加者按年龄分组。Participants were categorized according to age.你的工作是把他们按字母顺序分组，然后按数字顺序排序。Your job is to group them by letter and put them in numerical order....
食物由碳水化合物、蛋白质和脂肪构成。Food is made up of carbohydrates, proteins and fats.饮食中摄入过量蛋白质可能会加速衰老。Too much protein in the diet may advance the ageing process.研究人员已经从罂粟种子里分离出一种新的蛋白质。Researchers have isolated a new protein from the ...
He cupped his hands around his mouth and called out for Diane.他双手拢在嘴边，大声呼喊黛安娜。"There we go," said Diane, a trifle too cheerily.“这就对了，”黛安娜说道，语气有点儿过于兴高采烈。Diane lit a cigarette, trying to mask her agitation.黛安娜点燃一根香烟，试图掩饰她的...
试验结果表明,磨料水射流切割无热影响区.Theresult proved , abrasive water jet metal - cutting don't exit heat effect.粉末状纤维素最常用于添加到面包中提供无热的松密度.Powdered cellulose is most often added to bread to provide non caloric bulk.目的讨论婴幼儿早期无热惊厥与额叶脑...