Mauna Loa awoke from a 25 year silence in July 1975, filling its summit - pit crater with lava.莫纳罗亚火山在1975年7月又从沉睡了25年的状态下苏醒过来了, 山顶上的火山口充满了熔岩.The numerical model of the linear optical amplifier ( LOA ) is built based on t...
Most direct substitution of groups bound to an aromatic nucleus is limited to diazonium salts.大多数连于芳核能被直接取代的基团仅限于重氮盐.Severe steric effects at the reactive carbon would impede the substitution.大的立体效应阻止在碳上的取代.We use saccha...
卡西: 今天早上玛勒美容院发生的一件事真精采!Cassie: There was such a drama at Marla's Beauty Salon this morning!布鲁内利对玛勒将来是否会成为一名画家持保守态度.Mr Brunelli's assessment of Marla's prospects as an adult artist are cautious....
她于1920年3月6日出生在奥地利。She was born in Austria on March 6, 1920.他取得了决赛局的胜利，帮助英格兰最终以3：2战胜奥地利。He won the decider which completed England's 3-2 victory over Austria.近几年，奥地利的经济发展超过了其他多数工业国。In recent years the Austrian econom...