火电厂的储煤方式有哪几种？
参考答案：
有露天煤场储煤、干煤棚储煤、储煤沟储煤和储煤罐储煤等。
简述限速器涨紧装置的作用。
Long-Term Evolution (LTE) is a technological standard for wireless mobile broadband networks. LTE will make the use of the latest technologies. Orthogonal ______ Division Multiple Access ( a technology well suited to achieving high peak data rates in high-spectrum bandwidths) will be used on the downlink. On the uplink, LTE will use ______ Carrier Frequency Division Multiple Access, which offers advantages in power ______ and terminal battery life as compared to technologies used today. The latest antenna technologies will also be used, such as ______ , which employs multiple transmit and receive antennas. This results in numerous data paths effectively operating in ______ and-through appropriate coding/decoding-significant throughput gains.
A. UWBB. MIMO C. ASON D. SCDMA
