XMMS-crossfade - XMMS-crossfade 是一个XMMS输出插件。主要特性是自动crossfading。支持去处音轨之间的空余部分，播放MP3音乐集没有任何空隙-XMMS - crossfade - XMMS - crossfade XMMS is a plug-in output. The main features are automatic crossfading. Support soundtrack place between the spare parts, M

备件库存管理的(s,s)策略实现，模型为随机模型-Spare parts inventory management (s, s) policy implementation, the model for the stochastic model