多媒体大作业1、抽取MPEG文件的关键帧 2、用JPG解码算法还原为BMP 3、可以指定任意一个时刻（精确到秒）的若干关键帧，输入时间，获得该时间点一秒内的所有I帧 4、实现MPEG-1 5、若有能力实现MPEG-4，分数加15分 6、将该算法用C++实现，制作成DLL，可供其他程序方便快捷调用，加10分 -Multimedia big job 1, MPEG file to extract key frame 2, reduced to BMP 3 with JPG d

this above software is used to extract the information the DNA sequences-this above software is used to extract the information the DNA sequences

使用perl脚本根据位点提取对应的核苷酸序列，比如人类第一条染色体5到100位置的具体DNA序列-Using Perl scr ipt to extract the corresponding nucleotide sequence the site, such as the first chromosome 5 to 100 position of the specific DNA sequence