radio-aid的意思|示意

Conventional method in radio propagation prediction is based on the fading channel models, with the aid of computer, mass of data were analyzed to make the propagation model localization.

常用的电波传播预测方法，一般是以路径损耗为预测模型，结合大量的测试数据，利用计算机进行辅助分析，实现传播模型本地化。

Radar apparatus, radio navigational aid apparatus and radio remote control apparatus.

雷达设备、无线电导航设备及无线电遥控设备。

Earthquake survival supplies include a radio receiver, a torch, extra batteries, first-aid supplies, a spade, a tent, some rope, and warm clothing.

地震救生储备还包括无线电接收器、手电、备用电池、急救用品、铁锹、帐篷、绳子和保暖衣物。

In rescue missions, the helicopter crew drop radio-beacons to mark the distress area and deliver rescue teams to aid and recover the casualties.

在救援中，机组人员可以空投无线电信标标定出救援区域，以便救援人员进行搜索。

Broadcasters said villagers on Alishan had crawled down the mountainside to an abandoned police station to request aid by radio.

电视主播说，阿里山上的村民攀爬下山来到一个废弃的警察局通过无线电请求援助。

A radio navigational aid for determining the distance from a selected DME ground station by measuring the time of transmission to and from it.

飞机上的一种无线电导航设备，通过测量电波往返飞机和预选地面（DME）台之间所需要的时间来确定两者间的距离。