中继

In the newer one , the signals transmitted are much higher in frequency and repeaters are required every four miles.

在新的系统中，信号传送的频率要高得多，并且每4英里需要一个中继器。

The system products is consisted of net management system, the head-end, repeaters and client.

该系统产品由网管系统，头端，中继器，客户端组成。

100BASE-TX cable between Class II repeaters may not exceed 5 m (16 ft).

在第二类别中继器间的100BASE-TX缆线不应该超过5公尺(16 英尺)。

Repeaters As mentioned in the "media" section, many types of media exist and each type has advantages and disadvantages.

中继器 正如在介质一节所提及，存在着许多类型的介质，且每种都有其优缺点。

Note it is also possible to connect many wireless repeaters to the network via Ethernet cable then they broadcast the signal.

请注意，也可以连接多个无线中继器到网络，然后通过以太网电缆广播的信号。

Link segments are used to connect the network repeaters together.

链结区段使用来将网路中继器连接在一起。

Newer kit improves reception, and repeaters can be installed to improve signal strength within buildings.

新设备接收性能改善，并会安装中继器以提高建筑物内的信号强度。

Performance is better if fewer repeaters are used between stations.

假如机台间使用较少的中继器，效能会比较好。

Power optimization of amplify-and-forward relay aided OFDM communication system is discussed in this paper.

讨论了AF型中继辅助OFDM通信系统中的功率优化方案，并针对最优的功率优化方案很难得到闭合解的问题，提出了一种迭代的功率优化算法。

A power antenna without relay box cannot be used with this unit.

没有中继盒的电源天线不能和本机一起使用。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。