If the atom is fixed mass, the electron is tiny, It must be the positives have all the mass.

如果是原子质量一定，电子很小，带正电荷的部分几乎占据了全部质量。

麻省理工公开课 - 固态化学导论课程节选

And this is just a Newtonian expression of momentum, the product of the mass of the electron times its instant velocity.

这只是牛顿学上关于动量的表达，用电子质量,乘以瞬时速度。

麻省理工公开课 - 固态化学导论课程节选

And this spin is an intrinsic quality of the electron, it's a property that is intrinsic in all particles, just like we would say mass is intrinsic or charge is intrinsic.

自旋是电子的本征量，它是所有粒子的本征性质，就像我们说质量是本征的或者电荷是本征的。

麻省理工公开课 - 化学原理课程节选

And that resistance is what we, in our big everyday world, think of as the mass of the electron.

CNN: Scientists more certain that particle is Higgs boson

The AMS paper will report the positron-electron ratio in the mass range of 0.5 to 350 Gigaelectronvolts.

BBC: Alpha Magnetic Spectrometer to release first results

The electron would have no mass if it were not for this "substance, " the field made of Higgs particles.

CNN: Scientists more certain that particle is Higgs boson