单词例句
Electromagnetic waves propagate through the vacuum at the speed of light.
电磁波在真空中以光速传播。
The electromagnetic spectrum includes radio waves, microwaves, infrared, visible light, ultraviolet, X-rays, and gamma rays.
电磁频谱包括无线电波、微波、红外线、可见光、紫外线、X射线和伽马射线。
An electromagnetic coil is a coiled wire that generates a magnetic field when an electric current flows through it.
电磁线圈是一种缠绕的电线,当电流通过时会产生磁场。
Induction cooktops use electromagnetic induction to transfer heat from the cooktop to the pan.
电磁炉利用电磁感应将热量从烹饪台面传递到锅中。
Transformers rely on the principles of electromagnetism to change voltages between their primary and secondary coils.
变压器依赖电磁原理在初级和次级线圈之间改变电压。
Electromagnetic interference (EMI) can disrupt electronic devices if not properly shielded.
如果未适当屏蔽,电磁干扰(EMI)可能会影响电子设备的正常工作。
A solenoid is a device that uses electromagnetism to create a strong, concentrated magnetic field around its core.
线圈是一种利用电磁原理在其核心周围产生强大且集中的磁场的装置。
Electromagnetic resonance occurs when an object absorbs energy at a specific frequency, like in an MRI scanner.
当物体在特定频率吸收能量时,就会发生电磁共振,如在MRI扫描仪中。
The Faraday cage is a protective structure made of conductive material that blocks electromagnetic waves from entering or exiting.
法拉第笼是由导电材料制成的防护结构,可以阻止电磁波的进入或传出。
Electromagnetic radiation is invisible but plays a crucial role in various phenomena, such as photosynthesis and long-distance communication.
电磁辐射是无形的,但在诸如光合作用和远程通信等许多现象中起着关键作用。