The particle radius unit, the micron, is especially common and useful.粒子半径的单位是微米, 微米这个单位尤其普通和有用.They all basically reach an ultimate vacuum pressure of. 1 micron.它们基本上能达到. 1微米的极限真空压强.At last future developments of micron...
新发现的笔记只不过是朗的个人日志。The newly discover-ed notes are nothing more than Lang's personal journal.船长在航海日志中描述了这件事.The captain described the accident in the ship's log.在所发现的东西中,最珍贵的就是那艘船的日志.The most valuable find of all...