| 1. | 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。 |
| 2. | Very high frequency radio telephone 甚高频无线电话 |
| 3. | 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 太阳高速喷出的巨大粒子云团对于高频无线电波通讯人造卫星航空系统和电视广播传输都造成了威胁。 |
| 4. | 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 太阳高速喷出的巨大粒子云团对于高频无线电波通讯、人造卫星航空系统和电视广播传输都造成了威胁。 |
| 5. | 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。 |
| 6. | The qualnet terrain module also includes a model for advanced stand alone prediction system propagation ( asaps ) and automatic link establishment for high frequency radios ( ale ) Qualnet地形模块所包括的模型还包括advancedstandalonepredictionsystempropagation ( asaps )和用于高频无线电的 |
| 7. | With the flourish of wlan market , people are concerned about the wlan security more than ever . data transmitted in wlan over high frequency radio is subject to eavesdropping , furthermore , physical media access control measures do n ' t adapt to wlan 在无线局域网市场急速扩大的同时,人们对其安全问题愈发关注:无线局域网中的数据通过高频无线电波传输,极易遭到窃听,而且在无线网环境中,难以应用有线网络的物理访问控制手段。 |
| 8. | The us military standard mil - std - 188 - 141a is much characteristic and authoritative among the standards of ale ( automatic link establishment ) . the standard prescribes ale should provide communication link from high frequency radio station to other station and network , and should operate automatically without human intervention 在此标准中规定: ale ( automaticlinkestablishment )协议为短波无线站点提供和其它站点及网络的通信链路,并可以在无人工干预的情况下自动操作。 |