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- electromagnetic seismometer 电磁地震计,电磁式地震检波器
- Electromagnetic wave travel as light wave do. 电磁波的传播就像光波的传播一样。
- A device used to modulate an electromagnetic wave. 调制器用以调制电磁波的装置
- Communication of audible signals encoded in electromagnetic waves. 无线通讯以电磁波密码进行的可听信号的联络
- The seismometer was invented by Zhang Heng. 地震仪是由张衡发明的。
- How can I make my own seismometer? 问:我怎样才能做一个我自己的测震仪?
- A similar development in the USA is termed triaxial seismometer. 美国研制的与此相似的地震计称为三位地震计。
- The electromagnetic force becomes dominant. 电磁力处于支配地位。
- Electromagnetic radiation is corpuscular. 电磁辐射是微粒性的。
- Electromagnetic radiation produced by natural phenomena such as lightning. 大气电,自然电波由自然现象,如闪电等产生的电磁辐射等
- Oh! My God! It is the electromagnetic interdiction! 上帝啊!是电磁遮断!
- How is the movement of the seismometer converted into a seismogram? 问:测震仪的运动是怎么转换成震动图的?
- With the other special electromagnetic wire. 其他特殊电磁线。
- A device used to modulatean electromagnetic wave. 调制器用以调制电磁波的装置。
- At last, the curve of seismometer frequency response is given. 最后给出了检波器频率响应曲线。
- What is a seismometer? What are seismographs? How do they work? 问:地震检波器是什么?地震记录仪又是什么?它们是怎么工作的?
- Electromagnetic wave travels as light wave does. 电磁波的传播就像光波的传播一样
- Electromagnetic waves travel as fast as light. 电磁波传播的速度和光一样。
- Electromagnetic radiation of any wavelength. 光任何波长的电磁辐射
- Number of Stars; Electromagnetic Spectrum Limit. 恒星数、电磁波谱极限.