spark n. 1.火花;火星。 2.(鉆石等的)閃光;(目光的)閃耀。 3.生氣,活力,(才智的)煥發(fā)。 4.〔美國〕小鉆石;小寶石。 5.〔通常用于否定句〕一絲,一分,一點點。 6.【電學】電花,瞬態(tài)放電。 7.【機械工程】(內燃機火花塞的)控制放電裝置。 8.〔pl.〕〔口語〕(船上的)無線電技術員。 A single spark can start a prairie fire. 星星之火可以燎原。 There was a wild spark in his eyes. 他的兩眼炯炯發(fā)光。 The vital spark in him makes him an artist. 他的生氣勃勃的活力使得他成為一個藝術家。 fairy sparks 磷光,鬼火。 a spark of wit 才氣的煥發(fā)。 the vital spark=the spark of life 生氣。 as the sparks fly upward 合乎道理,的確,不錯。 have not a spark of interest 毫無趣味。 strike sparks out of sb. 激發(fā)某人的聰明才智。 vi.,vt. 發(fā)火花,飛火星兒;使閃耀,使閃光;用眼神表示(喜悅等);〔美國〕鼓舞,激勵。 Joseph is a player who can spark his team to victory. 約瑟是個能激勵他的隊員取勝的運動員。 The discovery sparked us to further study. 這個發(fā)現(xiàn)鼓舞我們作進一步的研究。 n. 愉快的年輕人;翩翩少年;紈绔子弟,花花公子;求愛者;情郎。 vi. 討好女人,追逐女性。 vt. 〔美國〕求愛,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 調制器由脈沖形成線、傳輸線、主開關、亞us開關( pc開關)和匹配負載組成,其中的亞us氣體開關能穩(wěn)定運行于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 在研制過程中探索了電場動態(tài)阻抗變化規(guī)律,總結出一套識別火花臨界點的方法,解決了探測電場少火花的技術關鍵,實現(xiàn)了逼近擊穿電壓下少火花運行控制功能,提出和實現(xiàn)了恒定火花率運行方式,在閃絡處理上采取下降幅度小、回升速度快、不封鎖可控硅的方法。