1)  fan-shaped beam
扇形波束
1.
A numerical calaulation and experiment show that a new kind of shaped paraboloid antenna can generate fan-shaped beams.
通过数值计算和实验发现:过抛物面顶点将抛物面平分成上下相等的两部分后,将下部分抛物面绕顶点向上旋转一小角度后形成的新天线(由上下两部分组成),可产生扇形波束
2)  Fan-beam antennas
扇形波束天线
3)  fanned-beam antenna
扇形(波束)天线
4)  beavertail beam
海狸尾形波束;扇形波束
5)  fan-shaped
扇形
1.
Based on the study and analysis of Y-shaped atomizers and their atomization mechanism, a new-type of fan-shaped spray atomizer is developed and experimentally studied.
在对Y型喷嘴结构和雾化机理研究分析的基础上,设计了一种新型的扇形雾化喷嘴,并对该喷嘴进行了实验研究。
6)  fan
扇形
1.
Through analysis 49 inclined basin large-angle fan seam to fifth coal mine of Fengfeng mining bureau,mining working isn′t safety with conventional trapezoid support, it isn′t rational,too in economy, coal getting working can′t be contented irregular trapezoid section I-steel support is adapted at first,it solves technical problem of mining,and gains good ecomomic and social result.
通过对峰峰矿务局五矿 4 9向斜盆地大倾角扇形煤层条件的研究分析 ,采用常规梯形支护 ,开掘生产不安全、经济上不合理 ,而且还不能满足回采生产的需要。
2.
This paper proves that the coronas of fans are sequential graphs.
研究扇形的冠 ,证明了扇形的冠都是序列
参考词条
补充资料:波束制导
      见遥控制导。
  

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