您要查找的是不是：
- For example, a cylindrical Penning trap that holds positrons will not hold antiprotons. 例如，可以抓住正子的圆柱型潘宁阱就没法抓住反质子。
- Positrons and antiprotons can individually be stored in a device called a Penning trap, which uses a combination of magnetic and electric fields to hold charged particles in a vacuum. 正电子和反质子能单独地被储存在一个称作环形线圈装置中,借助磁场和电场的一个联合作用储存真空收集来的粒子。
- A new generation of positron beams in the form of trap-based beam sources has been developed by positron trapping, confinement and accumulation in a Penning trap. 基于捕获的新型正电子束技术是通过潘宁阱中捕获、约束和积累正电子而发展的新一代正电子束技术。
- The Penning Trap in Mass Measurement of Atoms with Great Precision 彭宁阱及汞原子质量的精确测量
- NUMERICAL SIMULATION OF THE STEADY STATE OF ELECTRON PLASMAS IN THE ELECTRON BEAM PENNING TRAP 潘宁阱中电子等离子体稳态的数值模拟
- My deskmate wanted to trade his pen for my book. 我的同桌想用他的钢笔换我这本书。
- Be ware of falling into their trap. 当心中了他们的计。
- CONFINEMENT OF ELECTRONS IN NON-NEUTRAL PLASMA WITH DENSE CORE IN AN ELECTRON BEAM PENNING TRAP 电子束潘宁阱非中性等离子体中电子聚心约束实验
- He made motions to me to pass the pen. 他向我打手势，要我把钢笔递给他。
- Put down my pen and stop fiddling! 把我的钢笔放下，别用手玩弄！
- The thieves were caught in a police trap. 窃贼遭警方用计擒获。
- She delved in her bag and pulled out a pen. 她在提包里翻找，拿出一枝钢笔。
- The trap had cut deeply into the rabbit's flesh. 捕兽夹子紧紧夹住兔子的皮肉。
- The police set a trap to catch the thief. 警察设下了捉拿窃贼的圈套。
- Charles bought a pen at the dime store. 查尔斯在廉价店买了一支钢笔。
- The farmer went ahead in his trap. 农夫驾着双轮轻便马车继续赶路。
- Somebody has walked off with my pen. 有人把我的钢笔偷走了。
- I knew perfectly well it was a trap. 我很清楚这是一个陷阱。
- He is rooting about for his fountain pen. 他正在寻找他的自来水笔。
- The purpose of a trap is to catch and hold animals. 陷阱是用来捕捉野兽的。
