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- Two of the three processes, photoelectric effect and pair production, eliminate the photons undergoing interaction. 三種過(guò)程中的兩種，即光電效應和對產(chǎn)生，使光子受到作用后消失。
- Jentschke of the Deutsches Elektronen Synchrotron (DESY) about the possibility of doing a pair production experiment at Hamburg. 由反物質(zhì)組成的宇宙到哪里去了？
- pair production of particle and its anti - particle 正反粒子對產(chǎn)生
- particle pair production and annihilation 粒子對產(chǎn)生和湮滅
- electron-positron pair production 電子對產(chǎn)生
- pair production of particle and its anti-particle 正反粒子對產(chǎn)生
- internal-conversion pair production 內轉換偶產(chǎn)生
- pair production attenuation coefficient 電子對生成衰減系數
- She cast her eyes down to avoid direct eye contact. 她垂下雙目以避免對視。
- I'll book you on a direct flight to London. 我將為你預訂直飛倫敦的航班。
- He has chosen the most direct route. 他選取了最直的路線(xiàn)。
- She's very direct, believes in speaking her mind. 她為人直率，喜歡有什么說(shuō)什么。
- Can you direct me to the shoe department? 請告訴我賣(mài)鞋部在哪里。
- Be there a direct train for Beijing to Nanning? 從北京到南寧有直達車(chē)嗎？
- See that direct heat does not play on it. 當心別讓它直接受熱。
- It's a long way by road the train is more direct. 走公路很遠--乘火車(chē)近。
- Would you please direct me to the zoo? 請問(wèn)去動(dòng)物園怎么走?
- My eyes were blinded by the direct rays of light. 在光線(xiàn)的直射下，我看不清楚東西。
- Her opinions are the direct opposite of mine. 她的意見(jiàn)與我的截然相反。
- She is in direct contact with the general manager. 她與總經(jīng)理直接聯(lián)系。
