夸克和轻子的这些个同种类,从技术上看是有特色的.The different kinds of quarks or leptons are known technically as flavors.在反μ子衰变中,总轻轻子数和总重轻子数也是守恒的.The antimuon decay also conserves the total light and heavy lepton numbers.轻子探针不会遇到这一困难.Leptonic ...
Liberty often degenerates into lawlessness.自由常常变质为无法无天.That area is full of rampant lawlessness.那个地区充斥着犯罪事件.Once you cross over the thin line to acts of lawlessness, who knows where it stops?一旦你越过雷池开始干违法的事,谁知道哪里是个头呢?...