标示脉冲
impulse───n.冲动；[电子]脉冲；刺激；神经冲动；推动力；vt.推动
impulse buy───即兴购买；不在事先计划内的购置
solar impulse───太阳脉冲
impulse purchase───凭一时高兴而买下的东西，即兴购买的物品，凭冲动购买的物件；n.冲动消费，冲动购物
mark───vi.作记号；打分数；使有污点；vt.做标记于；打分数；使有污点；标明方位；庆贺；赋予特征；表明；注意；盯人防守；n.标志；符号；痕迹；分数；n.（Mark）马克（人名）
nerve impulse───[生理]神经冲动；n.神经冲动
impulse purchaser───冲动购买者
impulse buyer───n.即兴购买者，即兴购物的顾客；冲动买客
indicative mark───[统计][贸易] 指示性标志；[统计][贸易]指示性标志
In a polar circuit it causes the loop current to flow in a direction opposite to that for a mark impulse.───在极性电路中，空号脉冲促使环路电流向传号脉冲相反的方向流动。
And to do that, you should carry around a little pencil and paper all day, and each time you feel the impulse (in this case, to react with anger), mark down a tally.───为了达到这个目的，建议你每天都随身携带一本本子和一支笔，每当你感到即将爆发的时候（也就是要愤怒的做出反应时），记录下来。
Mark brown, a member of the organising committee, felt a sudden impulse to deal with at least some of those problems. "we."───马克·布朗是组委会的一员，他突然感到一阵冲动，要处理其中一些问题。
In a polar circuit it causes the loop current to flow in a direction opposite to that for a mark impulse.