英语词汇“Porro-Koppe principle”的翻译、意思、用法、释义-英汉双解词典-注文网

单词	Porro-Koppe principle
释义	Porro-Koppe principle 波罗-科普原理
随便看	low velocity electron low-velocity electron low-velocity electron beam low velocity electrostatic current meter low-velocity gun low-velocity layer low velocity layer low-velocity layer instrument low-velocity layer shooting low-velocity neutron low velocity performance low-velocity pick-up tube low velocity scanning low-velocity scanning low-velocity star low-velocity tube low-velocity waveguide low velocity zone low-velocity zone low-velocity zone (lvz) low vertical photograph low VHF transmitter receiver low video indication Lowville low virulent strain 日中必彗，操刀必割。日中必彗，操刀必割，执斧必伐日中必昃，月满必亏日久知人心，路远知马力日久见人心。日久见人心，路远知马力日之夕矣，羊牛下来。日习则学不忘，自勉则身不堕。日乾夕惕，口诵心惟日享事实之乐，而无暇辨析于言语之间，则后日之明，自足以识言语之病。急于辨析，是学者大病，虽若详明，不知其累我多矣。石称丈量，径而寡失；铢铢而称，至石必谬；寸寸而度，至丈必差。今吾但能造次必于是，颠沛必于是，勿忘勿助长，则不亦乐乎？喇叭筒喇叭花喇叭花儿喇嘛喇嘛官喇嘛庙喇嘛教喇嘛糕喇虎喈