Compound of MPEG－2 program stream based on software;

When converting a digital video disk program stream (DVD PS) to a digital video broadcasting transport stream (DVB TS) in the video and audio analog signal level, the original quality of the DVD program certainly will be lost.

This paper analyzes the grammatical format of MPEG-2program stream,and puts forward a syn-thetic plan for the MPEG-2program stream of audio and video real time encoding by utilizing parallel processing technique.

Discusses the important items in relation to the structure, program flows and other technique keys, such as pointer tracking.

Recent progress in world ethylene separation technology were reviewed and compared including sequence process, front-end deethanizer process, front-end depropanizer process.

Through anglicizing process flow of production material flow,the papers optimize production material flow and shorten productio n time,which can save much time,huma n resources and financial resources.

Procedure Division" in the Criminal Proceedings;