1.
The Contribution toγ-Ray Background From Radio Quiet Quasars
射电宁静类星体对γ射线背景的贡献
2.
soft X-ray diffuse background of galactic origin
银河软Ｘ射线弥漫背景
3.
Effect of the cosmic microwave background Radiation to the flux of the Superhigh Energetic Cosmic Ray
宇宙微波背景辐射对超高能宇宙线流强的影响
4.
Study on a background subtraction method for energy dispersive X-ray fluorescence spectrum
能量色散X射线荧光光谱背景扣除方法的探讨
5.
background radiation
背景辐射，本底辐射
6.
back reflection X-ray camera
背面反射X射线照相机
7.
A Backfire Antenna Fed by a Bifilar Backfire Mode Helix
双线背射模螺旋作馈源的背射式天线
8.
A New Backfire Antenna Fed by a Bifilar Backfire Helix
双线背射螺旋作馈源的新式背射天线
9.
A medium that scatters light, used in photography to soften shadows.
漫散屏，柔光屏散射光线的介质，用在摄影中使背景柔和
10.
The Improvement of Ray Tracing in Heterogeneous Medium and Finite Element Numerical Simulation;
非均匀背景场射线追踪的改进及有限元数值模拟
11.
The unwanted radiation is referred to as background radiation.
这种有害辅射称为背景辅射。
12.
Calculation of IR Radiation and Simulation of IR Image for Terrain Background
地面背景的红外辐射特性计算及红外景象生成
13.
THE EFFECT OF RADIATION FROM COLD GRAINS EXISTING IN EXTRAGALAXIES ON CMB
河外星际尘埃辐射对微波背景辐射的影响
14.
A new backfire antenna is developed. The reflector of a short backfire antenna has a new feed -- monofilar backfire helix.
本文提出一种新式背射天线,它把单线背射螺旋作为短背射天线的馈源。
15.
Study of the Infrared Radiation of the 3-D Terrain Backgrounds and the Coastal Terrain Backgrounds;
地面立体背景与沿海地面背景红外辐射特性的研究
16.
A new backfire antenna fed by a bifilar backfire belix is described in this Paper.
本文提出一种用双线背射螺旋作馈源的新式背射天线。
17.
they got a bad connection and could hardly hear one another over the background signals.
这条电话线路有背景噪声。
18.
The Historical and Cultural Background of New Verse in Hainan and Their Course of Development;
海南新诗的历史文化背景及发展线索