因此，研究网络拥塞和多媒体传输品质问题，对改善网络性能、提高服务质量有着重大的意义。
Therefore, the investigation of network congestion and the delivery quality of multimedia transmission is important to improve the network performance and reform the service quality.
同时，对时延及时延抖动比较敏感的多媒体业务的不断出现，在极大的丰富了网络资源的同时也引入了在现有网络中如何保证其传输品质的问题。
At the same time, the multimedia services which are sensitive to delay and delay jitter enrich the network resources, but also put forward the question of how to assure its quality in network.
我们有一个高品质的托盘装卸线，提供传输，转盘，运送车，拖链以及其他配件。
We have a high quality pallet handling line, providing all types of transfers, turntables, transfer carts, drag chains, and other accessories.
应用推荐