查询词典 radio-opacity

Several unusual properties make this object particular interesting:(1) ultra-luminous near and far infrared (L〓≈10〓L〓, and L〓≈10〓 L〓) emission,(2) very strong optical Fe Ⅱ emission (R〓≈4.35),(3) apparently blueshifted optical Fe Ⅱ multiplets (several hundred km/s),(4) the strongest radio emission among radio-FIR selected NLS1's and extreme Fe Ⅱ emitters,(5) composite Balmer lines with both narrow and broad components (the latter blueshifted by about 1000 km s〓).

我们发现2MASS0153+260为首例超强光学FeⅡ线射电类星体，具有如下极为有趣特征：(1)远红外和近红外光度非常高，L〓≈10〓 L〓且L〓≈10〓 L〓；(2)光学FeⅡ线发射特别强，R4570≈4.35；(3)光学FeⅡ线相对于禁线和氢Balmer线窄成分有明显蓝移，Δυ～4×10〓kms〓；(4)在射电-远红外选NLS1和超强光学FeⅡ线AGN中射电辐射最强；(5)具有复杂的Balmer发射线轮廓，宽成分相对于窄成分和禁线有～1000km s〓的蓝移。

She can be heard on her weekly radio show on Wave 89.1 radio station,"Renditions of the Soul".

她可以听到她的每周电台节目波89.1广播电台，&心灵的译丛&。

In this thesis, some characteristics are summarized in WCDMA radio network, such as multi-service and multi-bit ratio, soft handover factor , cell breathing, pilot frequency pollution, self-interference specialty and so on, and at the same time, an in-depth analysis of the difference of WCDMA and GSM in the radio network planning is carried out.

本文概述了WCDMA无线网络多业务多速率、软切换因子、小区呼吸、导频污染、自干扰特性等特点，分析和探讨了WCDMA与GSM无线网络规划的区别。

A variety of useful convenience items are available on SLE and SLT models, including a touch-screen navigation radio, power-operated sunroof, power-sliding rear window and XM Satellite Radio.

实用方便的各种物品可在系统性红斑狼疮和SIL模型，包括触摸屏无线电导航系统，动力操作的天窗，电动滑动后窗玻璃和XM卫星广播。

A radio channel estimation technique is described for use in a OFDM-based radio communications system.

描述一种在基于OFDM的无线电通信系统中使用的无线电信道估计技术。

Based on the analysis of radio channels'characteristics including the fading characteristics and dynamic characteristics, the model of mobile radio channel is presented.

无线信道特性主要分析了信道的衰落特性和动态特性，并在此基础上给出了无线移动信道的模型。

" Software Radio, A Modern Approach to Radio Engineering ".

&软件无线电-无线电工程的现代方法&作者

Zhejiang Radio and Television Engineering, Zhejiang Radio and Television Group, are directly under the national institutions, the company was founded in the eighties, the registered capital of 1000ò.

浙江省广播电视工程公司是浙江省广播电视集团直属的全民事业单位，公司成立于八十年代，注册资金1000万元。

The rapid development of urban and rural cable television,"Every Village" radio and television to complete the basic engineering, radio and television coverage of 80%.

城乡有线电视迅速发展，&村村通&广播电视工程基本完成，广播电视覆盖率达 80%。

The part of a radio receiver by means of which radio signals are received .

通过接收无线电信号的无线电接收装置。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。