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- Low Frequency Omni Directional Radio Range 低頻全向無(wú)線(xiàn)電信標
- Ground-based radio-navigation systems use relatively low frequencies of the radio spectrum to achieve a large radio range and avoid undefined skywave (ionospheric) propagation at the same time. 陸基無(wú)線(xiàn)電導航系統使用相對低的頻段的無(wú)線(xiàn)電波以獲得較大的接收范圍和避免空間傳播方式（電離層反射）。
- LOFT (Low Frequency Radio Telescope) 低頻射電望遠鏡
- propagation of low frequency radio wave 低頻電波傳播
- propagation of very low frequency radio wave 甚低頻電波傳播
- propagation of extremely low frequency radio wave 極低頻電波傳播
- Low Frequency Radio Signatures of Coronal Mass Ejections 日冕物質(zhì)拋射的低頻射電特征
- propagation of extremely low frequency ELF and voice frequency radio wave 極低頻與音頻電波傳播
- propagation of extremely low frequency and voice frequency radio wave 極低頻與音頻電波傳播
- low frequency radio astronomy 低頻射電天文學(xué)
- In electronics, undesirable low frequency currents interfering with a desired signal, and usually caused by a poorly screened alternating mains supply. 在電子學(xué)領(lǐng)域，一種不希望發(fā)生的低頻電流，它干擾所要求的信號。通常這種現象是由于交流供電線(xiàn)路屏蔽不良引起的。
- Radio systems operating in the UHF range more susceptible to atmospheric absorption, and multipath distortion and shadow effects than the radio system, a lower frequency. 然而, 收音機在這一范圍的系統已經(jīng)證明他們自己相當可靠而且從競爭較不傾向于沖突服務(wù)。
- A long range link,established with the high power Very Low Frequency (VLF) system,resists atmospheric nuclear effects and is very difficult to jam. 用高功率甚低頻系統建成的一條遠距離鏈路，可抵抗大氣核爆炸效應，且敵人很難干擾。
- Turns are wide and easy going -- no issues there. Radio range is decent enough for use in a small park. 明顯的,開(kāi)關(guān)遙控對于能在小公園放飛的迷你飛機是合適的。
- III. The hearing aid earmold occlusion effect was significantly focused on the low frequency range below 400Hz. 配戴助聽(tīng)器耳模后的堵耳效應在400Hz以下的低頻最為顯著(zhù)。
- The abnormal colours of seedlings turned a low frequency. 顏色異常的苗木出現頻率較低。
- A cellular telephone system provides a wireless connection to the PSTN for any user location within the radio range of the system. 一個(gè)蜂窩電話(huà)系統可以為在該系統無(wú)線(xiàn)電收發(fā)范圍內的任何用戶(hù)提供一個(gè)到PSTN的無(wú)線(xiàn)電話(huà)連接。
- Laser direct writing of micro-OVD with low frequency templates[J]. 引用該論文 魏國軍;周小紅;周雷;陳林森.
- This high frequency alternating current produces the high frequency radio waves mentioned in the previous chapter. 這種高頻交流電流產(chǎn)生前一章提到過(guò)的高頻無(wú)線(xiàn)電波。
- However, the noise spectrum of the ash exhauster always centers at low frequency range. 排粉機噪聲呈明顯的低頻特性。
