查询词典 antenna

parabolic antenna：抛物面天线

根据光学原理,焦点上发射的球面波经抛物面[简介]抛物面天线(parabolic antenna) 由抛物面反射器和位于其焦点上的照射器(馈源)组成的面天线. 通常采用金属的旋转抛物面、切割旋转抛物面或柱形抛物面作为反射器,采用喇叭或带反射器的对称振子作馈源.

parabolic antenna：抛物线天线

parabolic 抛物线的 | parabolic antenna 抛物线天线 | parabolic approximation 抛物线近似

parabolic antenna：抛物线面天线

"巴拉橡胶","Para rubber" | "抛物线面天线","parabolic antenna" | "抛物线面波束发射","parabolic beam transmission"

parabolic antenna：抛物形天线

"纸带袅知 ","Paper tape reader" | "抛物形天线","Parabolic antenna\\"" | "抛物形群延[迟]","Parabolic group delay"

parietal peritoneum：壁体腔膜

06.1724 珠状触手 moniliform antenna | 06.1725 壁体腔膜 parietal peritoneum | 06.1726 脏体腔膜 visceral peritoneum

orbit, parking：常驻轨道

抛物状轨道 orbit, parabolic | 常驻轨道 orbit, parking | 轨道天线场 orbital antenna farm

completion problem for partial matrix：部分正定阵的完成

多端口电小天线:electrically small antenna with two ports | 部分正定阵的完成:completion problem for partial matrix | 集装箱港口竞争力评价指标体系:container ports competitive edge evaluating index

Free Space Path Loss：自由路徑損失

. Beamwidth 波寬,波寬越窄,訊號射得越遠 | . Free Space Path Loss 自由路徑損失 | RF Antenna Placement 射頻天線安裝

paynim：异教, 非基督徒(尤指回教), 异教国

waveguide antenna 波导式天线 | paynim 异教, 非基督徒(尤指回教), 异教国 | come to grapples with 与...格斗

unloaded pcb：无载印制电路板

unloaded antenna 无负载天线 | unloaded pcb 无载印制电路板 | unmasked region 无掩蔽区

acetabular foramen：髀臼孔

\\"基节窝\\",\\"acetabular cups\\" | \\"髀臼孔\\",\\"acetabular foramen\\" | \\"髀臼窝;髋血凹\\",\\"acetabular fossa\\"

PRTSC PacketRadioTerminal：数据分组无线电发送终端

PRS PacketRadioStation 数据分组无线电发送站 | PRTSC PacketRadioTerminal 数据分组无线电发送终端 | PRV PacketRadioUnit 数据分组无线发送单元