本文介绍了以氟硅酸钠、纯碱为原料生产晶体氟化钠的工艺,并对操作条件作了详细的说明.A method of producing crystal sodium fluoride with sodium fluosilicate and sodium carbonate is introduced.在2008年6月2日, 氟化钠被自?成为新条目候选之候选条目.At 2 June, 2008, Sodium Fluoride was recom...
那是布鲁塞尔国际贸易谈判中纷乱的一天。It's been a tumultuous day at the international trade negotiations in Brussels.纷乱的情绪让我心力交瘁。My emotional turmoil had drained me.音乐会使我纷乱的思绪得到安定.The music will settle my disordered brain....
As he talked, an airforce jet screamed over the town.他谈话时，一架军用喷气式飞机在镇子上空呼啸而过。The Royal Airforce sill remained dangerously short of bombers.英国皇家空军仍未脱离极为缺乏轰炸机的危境.The town has been heavily bombarded by the army backed by th...
她坐在床上盯着时钟看了几分钟。For a few minutes she sat on her bed watching the clock.某些脉冲星发送脉冲比地球上最精确的时钟都准时。Some pulsars keep time better than the earth's most accurate clocks.当小镇的时钟敲响两点钟时，他们听到了隆隆的鼓声。As the town clock struck two,...