spark n. 1.火花;火星。 2.(钻石等的)闪光;(目光的)闪耀。 3.生气,活力,(才智的)焕发。 4.〔美国〕小钻石;小宝石。 5.〔通常用于否定句〕一丝,一分,一点点。 6.【电学】电花,瞬态放电。 7.【机械工程】(内燃机火花塞的)控制放电装置。 8.〔pl.〕〔口语〕(船上的)无线电技术员。 A single spark can start a prairie fire. 星星之火可以燎原。 There was a wild spark in his eyes. 他的两眼炯炯发光。 The vital spark in him makes him an artist. 他的生气勃勃的活力使得他成为一个艺术家。 fairy sparks 磷光,鬼火。 a spark of wit 才气的焕发。 the vital spark=the spark of life 生气。 as the sparks fly upward 合乎道理,的确,不错。 have not a spark of interest 毫无趣味。 strike sparks out of sb. 激发某人的聪明才智。 vi.,vt. 发火花,飞火星儿;使闪耀,使闪光;用眼神表示(喜悦等);〔美国〕鼓舞,激励。 Joseph is a player who can spark his team to victory. 约瑟是个能激励他的队员取胜的运动员。 The discovery sparked us to further study. 这个发现鼓舞我们作进一步的研究。 n. 愉快的年轻人;翩翩少年;纨绔子弟,花花公子;求爱者;情郎。 vi. 讨好女人,追逐女性。 vt. 〔美国〕求爱,求婚。
Using an equivalent circuit model , the limit to the achievable rising time with spark technology was calculated , and a pulse conditioning system consisting of coaxial transmission line and sub - nanosecond switches was designed and built 调制器由脉冲形成线、传输线、主开关、亚us开关( pc开关)和匹配负载组成,其中的亚us气体开关能稳定运行于45atm 。
In the research and preparation procedure , it probes into electric field dynamic impedance variation rules , summarizing a set of sparks critical point discrimination methods in solving the key to detect electric field less - spark technology and realizing the less - sparks operation controlling function under impending arcover voltage , putting forward and realizing constant spark rate operation mode , in fiashover treatment adopting method of small descending amplitude , speedy picking up speed , and unlocking silicon controlled rectifier 在研制过程中探索了电场动态阻抗变化规律,总结出一套识别火花临界点的方法,解决了探测电场少火花的技术关键,实现了逼近击穿电压下少火花运行控制功能,提出和实现了恒定火花率运行方式,在闪络处理上采取下降幅度小、回升速度快、不封锁可控硅的方法。