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- propagation of medium frequency radio wave 中频电波传播
- SHENYANG QINGFA MEDIUM FREQUENCY TECHNOLOGY CO., LTD. 沈阳庆发中频技术有限公司。
- Small AOB and medium frequency furnace is still in use. 小型AOB及中频炉冶炼势头不减 ;
- This high frequency alternating current produces the high frequency radio waves mentioned in the previous chapter. 这种高频交流电流产生前一章提到过的高频无线电波。
- While hunting on the3) seabed they emitted a4) weird5) medium frequency noise. 在海底猎食时，们发出一种奇怪的中频率杂音。
- Turns are wide and easy going -- no issues there. Radio range is decent enough for use in a small park. 明显的,开关遥控对于能在小公园放飞的迷你飞机是合适的。
- While hunting on the 3)seabed they emitted a 4)weird 5)medium frequency noise. 在海底猎食时，??欠3.;鲆恢制婀值闹衅德试右簟
- While hunting on the seabed they emitted a weird medium frequency noise. 在海底猎食时，它们发出一种奇怪的中频率杂音。
- A cellular telephone system provides a wireless connection to the PSTN for any user location within the radio range of the system. 一个蜂窝电话系统可以为在该系统无线电收发范围内的任何用户提供一个到PSTN的无线电话连接。
- High frequency omnidirectional radio range 高频全向无线电导航
- CEER divides a target area into sub-areas called grids such that all sensor nodes in a grid are within the radio range, and a cluster head is selected in each grid. CEER把整个目标区域分割成许多个子区域(网格)，使得每个在网格内的感测节点彼此都能在无线电范围内，然后每个网格都会选出一个丛集头。
- The gigantic cloud of highly charged particles hurled from the sun posed a threat to high frequency radio communications, satellite navigation systems and television broadcasts. 携带强大电荷的巨型粒子云从太阳猛地扑向地球，对高频无线电通讯、卫星导航系统和电视广播都形成了威胁。
- Very High Frequency Omnidirectional Radio Range 甚高频全向无线电信标
- KEYWORDS : GIMS, ion source, anode layer, sputtering, TiN, ion plating, medium frequency, pulsed DC. 中文关键词：气离溅射、离子源、阳极层流、溅射、氮化钛、离子镀膜、中频、脉冲直流。
- The test shows that the medium frequency pulsed starting arc supermini unit works stably and reliably... 试验表明：工作稳定可靠，引弧能力强。
- A method of radio ranging based on insert service of AOS is presented. 摘要提出了一种基于高级在轨系统中插入业务的无线电测距方法；
- KEYWORDS: GIMS, ion source, anode layer, sputtering, TiN, ion plating ， medium frequency, pulsed DC. 中文关键词：气离溅射、离子源、阳极层流、溅射、氮化钛、离子镀膜、中频、脉冲直流。
- Low Frequency Omni Directional Radio Range 低频全向无线电信标
- Medium frequency transformer quenching is used for workpiece diathermy,quenching,annealing,brazing,etc. 中频淬火变压器用于工件的透热、淬火、退火、弯管钎焊等工艺。
- Very-High Frequency Omnidirectional Radio Range "伏尔"甚高频全向无线电信标
