简支梁
简支梁
他说,“多数光不会你想让它到哪它就到里”。 也不可能简单地增强光束的强度,因为高强度的红外光会伤害人眼。
This weekend's test will mark CERN's first attempt to feed protons (or, simply, "beam") into the LHC from a chain of smaller accelerators.本周末的测试标志着CERN首次通过一系列小型加速器将质子(或简称为“束”)导入LHC。
It is far from simply a radio beam passing through a vacuum at "the speed of light".这远不像一束无线电波“以光速”穿过真空层那样简单。