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- Ionosphere Radio Signal 电离层无线电信号
- A radio signal tells the pilot of an airplane when his plane is off the beam. 飞机脱离航道时，会有一个无线电信号告诉驾驶员。
- When a radio signal (an electromagnetic wave) propagates into the ionosphere, it might be absorbed, attenuated, refracted, or it might shoot right through and out into space. 当一个无线电信号(电磁波)传播进入电离层时,它也许会被吸收、削弱、折射,或者会穿透并进入太空。
- A radio signal was sent to the spacecraft. 向宇宙飞船发出了无线电信号。
- An electronic device that converts one frequency of a radio signal to another. 变频器将无线电讯号从一种频率转换成另一种频率的电子装置
- We couldn't locate the source of the radio signal. 我们无法确定无线电信号的来源。
- A radio signal travels very quickly. 无线电信号传播得很快。
- The radio signal can be amplified. 无线电的信号可以放大。
- The FM radio signal is somewhat like light. 多重通道FM无线电信号是有些象光。
- A second part is the transmission link-a radio signal. 第二部分是传输线路--无线电信号。
- To enable long-distance communication, many telecommunication systems transmit radio signals via the ionosphere. 在长距离通讯上,大多数通讯系统利用电离层来传递无线电讯号。
- This radio signal has a frequency of 800000 cycles per second. 这个无线电讯号的频率是每秒八百千周。
- As we drove into the mountains, the radio signal faded. 当我们驶进山区时,无线电信号渐渐减弱了。
- The scanner emits a low-frequency radio signal, activating the microchip. 扫描仪会发出一些低周波的无线电信号，来激活微芯片。
- Electromagnetic waves produced by solar flares may disturb the ionosphere and interfere with radio signals, resulting in degraded communication quality. 太阳耀斑放出的电磁波会引致电离层急剧变化,干扰无线电讯号,大大降低通讯的质素。
- The ship gave out radio signals for help. 船发出无线电信号求助。
- Tall buildings can distort radio signals. 高楼会破坏无线电信号。
- The satellite is sending out radio signals. 卫星正在发射无线电信号.
- The maximum extent or distance limiting operation, action, or effectiveness, as of a projectile, an aircraft, a radio signal, or a sound. 射程，音程导弹、飞行器、无线电信号或声音等所能达到的限制运行、行动或效果的最大范围
- Ionospheric Radio Signal 电离层无线电信号
- 今日热词
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries
