报道一种快速检测冰箱除臭器对乙硫醇驱除效率的气相色谱分析方法. A gas chromatographic method to quickly test the efficiency of refrigerator deodorizer in eliminating ethanethiol paper.
He was a handsome blond Nordic type.他属于北欧人那种类型，英俊潇洒，金发碧眼。The Nordic countries have been quick to assert their interest in the development of the Baltic States.北欧诸国很快就表示它们对波罗的海诸国的发展感兴趣。The Nordic birches have long been of...
在撞击过程中, 动量的变化是突然的,但非瞬时的.In a crash, momentum changes abruptly but not instantaneously.有时,在局部速度中可能出现瞬时脉动.Sometimes temporal fluctuation may take place inthe local velocity.它表示寻常光波前和非常光波前的瞬时轨迹.It represents the instantaneo...