The different kinds of quarks or leptons are known technically as flavors.夸克和轻子的这些个同种类,从技术上看是有特色的.At present nobody understands why these three quarks which are in the proton are bound together...目前还没有人知道质子里面的这三个夸克为什么会结合...
The different kinds of quarks or leptons are known technically as flavors.夸克和轻子的这些个同种类,从技术上看是有特色的.Using this identification, we read off the quantum numbers of the quarks.照此鉴定, 可以识别出夸克的量子数.Perhaps partons or quarks will ...
我和他有过几面之缘，但从未说过话。I knew him by sight but had never spoken with him.远处峡谷的西缘，一只丛林狼嚎叫了两声。Far up the west rim of the canyon, a coyote yipped twice.我曾经和威尔玛有过短短的一面之缘。I met Wilma once, briefly....
This toy is made to pull apart.这件玩具能拆开.These pieces of ice don't pull apart easily.这些冰块不易分开.We could not pull apart two plates which enclosed a vacuum.如果两个盘子间是真空,我们就无法将它们分开....