具有直接或间接加热的阴极的电子管四极管.Tube tetrode with directly or indirectly heated cathode.拖到绘图页后,可以添加具有直热式或旁热式阴极的电子管四极管.Drag onto the page to add a tube tetrode with directly or indirectly heated cathode....
reentry aerodynamics再入大气层空气动力学High - speed reentry aerocraft is usually with terminal guidance system.高速 再入飞行器通常具有末制导系统.The spaceship made a successful reentry into the Earth’s atmosphere.宇宙飞船成功地重返大气层。The spacecraft made...
Making cars in Slovakia also cuts delivery times and sidesteps import taxes.同时,在斯洛伐克生产汽车也削减了运输成本并规避了进口关税.The FSF sidesteps several trickier issues.FSF则回避了一些更棘手的问题.Eastwood's movie sidesteps the minefield by focusing...
She read avidly from an early age—books, magazines, anything.她从小就酷爱阅读——书籍、杂志,无不涉猎。She read avidly from an early age — books, magazines, anything.她从小就酷爱阅读——书籍 、 杂志, 无不涉猎.Thank you for a most entertaining magazine, which I...