Use '自由电子' in a sentence
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这就是自由电子。This represents the free electron.
不过呢，一个自由电子只带一个单位电荷。Alas, a free electron carries an electric charge.
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这些自由电子可以看作导线。These freed electrons behaved like conducting wires.
所以材料不具备延展性，而且金属中有自由电子。So you don't have ductility, which is what you have in metal.
并非所有发光的都是金子，但是要发光必须有自由电子。All that glitters is not gold, but it must have free electrons.
观察到了毫米波自由电子激光器的调谐特性。The tunability of millimeter wave free electron laser was observed.
所有您需要了解的有关高增长是在雷克南和自由电子图书。All you need to know about growing taller is in KIMI and the FREE e-book.
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但这些自由电子的寿命不长，只有兆分之几秒而已。But the electrons do not stay free for long—only trillionths of a second.
对于自由电子,因此没有什么势能。It is a free electron so there is no potential energy to be accounted for.
研制出新型小周期波荡器，报道三毫米波拉曼自由电子激光器实验。The experiments of a Raman free electron laser at 3 mm wavelength are presented.
实验用到了大学里和房间差不多大小的自由电子激光器。The experiments were performed using the university's room-sized, free-electron laser.
一切金属都是良导体，因为金属里有大量的自由电子。All metals are good conductors because there are a great number of free electrons in them.
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材料的自由电子数量越多，该材料的导电性就越好。The greater the number of the free electron in a material is , the better its conductivity.
半导体是否存在着自由电子，这取决于某些条件。Depending upon certain conditions there may ornot may bef ree elect rons in semi- conductors.
最后指出了波导自由电子激光器单横模运行的条件。In addition, we predict the condition for single mode transverse operation in a waveguide FEL.
本文研究的自由电子激光器具有线性摆动器及轴向引导磁场。The free electron laser with a linearly polarized wiggler and axial guide field hag been studied.
契仑柯夫自由电子激光装置，1990年在国内首次出光，达到八十年代国际同类装置先进水平。Cerenkov free-electron laser device emitted coherent radiation for the first time in China in 1990.
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横模谱方法广泛应用于自由电子激光振荡器数值模拟。The transverse model spectral method is widely applied to numerical simulations of FEL oscillators.
高增益、短波长自由电子激光器需要发射度低、峰值电流高的短脉冲电子束流。Low emittance and high intensity electron beams are needed for the high gain, short wavelength FELs.
抗氧化剂作为一种能改善健康、帮助防止癌症的物质，也是一种能够消除氧化过程对身体带来的损害的物质,是具有一个多余的自由电子，具有在自由基夺取细胞内分子的电子之前与自由基结合。Antioxidants are beneficial chemicals that are said to improve general health and help prevent cancer.