| 1. | Limited frequency unannounced access
有限次数未预告接近 |
| 2. | Band limited frequency spectrum
限带频谱 |
| 3. | The difference , expressed in hertz , between the two limiting frequencies of a band
一个频带的上下界频率之差,单位用赫兹表示。 |
| 4. | The difference , expressed in hertz , between the two limiting frequencies of a band
一个频带的上下界频率之差，单位用赫兹表示。 |
| 5. | With the fast development of mobile communications and emerging services , the demands for the limited frequency resource are booming
移动通信的飞速发展和新业务的不断出现，对有限的频带资源的需求越来越大。 |
| 6. | They rearranged your dna in order to have you broadcast within a certain limited frequency band whose frequency could feed them and keep them in power
他们重新排列你们的dna为了让你们在一定的有限频带内播放，你们的频率可以喂养他们，而使他们拥有力量。 |
| 7. | In order to increase the efficiency on using limited frequency resource , orthogonal polarization is normally adopted for frequency reuse , thus offering double bandwidth at the certain working band
为了充分利用有限的频谱资源，卫星通信采用正交极化频率复用方式，在给定的工作频段上提供双倍的使用带宽。 |
| 8. | With the rapid development of mobile communication systems , the existing gsm and narrowband cdma cellular system cannot solve the contradiction between the limited frequency source and the increased mobile users
随着移动通信的飞速发展，现有的gsm系统和窄带cdma系统已无法缓解频率资源有限与移动用户急速增加的尖锐矛盾。 |
| 9. | These are the main contents : the characters in time domain and frequency domain of the background noise inside boiler are analyzed theoretically and studied by experiments , and the upper limit frequency of it is confirmed , these are very important to the diagnosis of boiler tube leak and avoid wrong alarms
对炉内背景噪声的时、频域特性进行了理论分析与实验研究，确定了炉内背景噪声的上限频率，这对炉管泄漏的诊断和防止误报警具有重要意义。 |
| 10. | It has been widely applied in personal communications , mobile communications and the field of broad band wireless access , and it has also been regarded as the main air access of the third generation mobile communications , because comparing with tdma and fdma , cdma has greater system capacity , higher frequency efficiency and stronger anti - interference ability , at the same time it still has the potential of solving the conflict of limited frequency resource and limitless user request
相对于tdma ， fdma等多址技术而言，它具有系统容量大，频带利用率高，抗干扰能力强，保密性能好等优越性，同时还具有缓解有限频带与无线用户需求之间矛盾的潜力，因而在个人通信，移动通信，宽带无限接入领域都得到了广泛的应用，也被普遍认为是未来第三代移动通信的主流空中接口技术。 |
