| 单词 | 电磁波 |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔Hertzian wave〕An electromagnetic wave, usually of radio frequency, produced by the oscillation of electricity in a conductor.赫兹波：一种电磁波，通常为无线电频率，由电在电导体内振荡而产生美国传统〔carrier wave〕An electromagnetic wave that can be modulated, as in frequency, amplitude, or phase, to transmit speech, music, images, or other signals.载波：一种如可在频率、调幅或相位方面被调制以传输语言、音乐、图象或其它信号的电磁波美国传统〔ether〕Physics An all-pervading, infinitely elastic, massless medium formerly postulated as the medium of propagation of electromagnetic waves.【物理学】 以太，能媒：一种在以前被假定为电磁波的传播媒质并具有绝对连续性、高度弹性的极其稀薄的媒体美国传统〔guided wave〕An electromagnetic or acoustic wave transmitted by a process that limits its physical dispersion along the length of its transmission.波导波：一种电磁波或声波，由随其在传导过程中的波长而限制其物理弥散的方式传导美国传统〔high-pass filter〕A filter designed to transmit electromagnetic frequencies above a certain value, while excluding those of a lower frequency.高频滤波器：一种设计用以传送电磁频率高于特定值的滤波器，并同时将低频率电磁波排除于外美国传统〔intermodulation〕Modulation of the frequencies of electromagnetic waves occurring when the waves interact as they are transmitted through a nonlinear electronic system.居中调频：当电波经由非线性电子系统传递时，电磁波交互作用所发生电磁波频率的调整美国传统〔luminous energy〕The radiant energy of electromagnetic waves in the visible portion of the electromagnetic spectrum.光能：可见的电磁光谱中电磁波的能量美国传统〔maser〕Any of several devices that amplify or generate electromagnetic waves, especially microwaves.微波激射器：扩大或产生电磁波的仪器，尤其是产生微波美国传统〔mode〕Physics Any of numerous patterns of wave motion.【物理学】 振荡型，波形：电磁波的众多模式美国传统〔modulate〕To vary the frequency, amplitude, phase, or other characteristic of (electromagnetic waves).调制：变换（电磁波的）频率，振幅，周相或其它特点美国传统〔modulation〕Electronics The variation of a property of an electromagnetic wave or signal, such as its amplitude, frequency, or phase.【电子学】 电磁波振动图系：电磁波或信号的性质在振幅，频率或周相中的变化美国传统〔modulator〕A device used to modulate an electromagnetic wave.调制器：用以调制电磁波的装置美国传统〔polarize〕Like all electromagnetic waves, light can be polarized.光和所有电磁波一样, 也能产生偏振。外研社新世纪〔radiant energy〕Energy transferred by radiation, especially by an electromagnetic wave.辐射能：用放射（尤其是电磁波）转移的能量美国传统〔radiation〕A stream of particles or electromagnetic waves emitted by the atoms and molecules of a radioactive substance as a result of nuclear decay.核衰变产生的微粒或电磁波：放射物的原子或分子由于核衰变放出的一束微粒或电磁波美国传统〔radio wave〕An electromagnetic wave within the range of radio frequencies.无线电波：无线电频率范围内的电磁波美国传统〔radio〕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美国传统〔receive〕Electronics To convert incoming electromagnetic waves into visible or audible signals.【电子学】 接收：把收到的电磁波转化为可见或可听信号美国传统〔resonator〕A hollow chamber or cavity with dimensions chosen to permit internal resonant oscillation of electromagnetic or acoustical waves of specific frequencies.共振腔：具有容积的空室或空腔，可允许在某一频率下的电磁波或声波产生内部共振振荡美国传统〔television〕An electronic apparatus that receives electromagnetic waves and displays the reconverted images on a screen.电视机：接收电磁波并在屏幕上显示已还原的图像的电子设备美国传统〔television〕The integrated audible and visible content of the electromagnetic waves received and converted by such an apparatus.电视内容：通过电视机接收和转变电磁波使其变成既可听又可看的内容美国传统〔window〕A range of electromagnetic frequencies that pass unobstructed through a planetary atmosphere.电波反射装置：电磁波段能够不受阻碍地穿过行星大气层的一种电磁频率范围美国传统As fiber optics are immune to electromagnetic interference, they are better for signal transmission than wire cables. 光纤因不会受到电磁波的干扰，所以比一般的金属线更适于传达讯号。译典通The radio spectrum (= range of radio waves) has been opened up for the use of mobile phones.电磁波谱被发展应用在移动电话领域。剑桥国际 |
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