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...
For example: brevibacterium diazo resin treantment exposure during bleaching , it can change the surprint template color.例如: 黄色轻氮物在曝光历程洋被不染黑, 它可以保持已曝光的模版的颜色.Improved yield and selectivity are observed while applying this...
他们刚借了我一部激光视盘播放机。They've just lent me a laser disc player.他从她手里接过光盘，放入播放机中。He took the compact disc from her, then fed it into the player.索尼公司在缩小CD播放机的体积方面也处于领先地位。Sony has also led the way in shrinking the size of co...
September was crisping the Berlin air and yellowing the leaves when Pug got back.帕格回去的时候,柏林的九月空气清新,树叶正在变黄.None the less was she offended, as a flower by a crisping wind.虽说如此,她仍旧很生气, 就象花朵碰上冷风一样....