说时右手大拇指从中指弹在食指上“啪”的一响.At this he snapped his fingers.印刷技术中指专用铅字面的一种加粗形式.In printing, a heavier version of a particular typeface.他中指上戴着指环.He wears a ring on his middle finger....
With 38 kv, 35 microamp miniature X - ray tube excitation source.配备38千伏, 35微安的微型 X 射线管激发源.The excitation source was a flashlamp pumped Rhodamine tunable dye laser.激发源为闪光灯泵可调谐若丹明染科激光器.At room temperature, thermal excitati...