美国NCBI的BLAST属于()。
A、生物医学数据库
B、生物医学电子出版物
C、生物医学类公共软件
D、生物医学电子公告
A、生物医学数据库
B、生物医学电子出版物
C、生物医学类公共软件
D、生物医学电子公告
A、A.a blast of from five to seven seconds' duration B、B.a blast of from five to six seconds' duration C、C.a blast of from four to six seconds' duration D、D.a blast of from six to seven seconds' duration
A、a blast of from five to seven seconds' duration B、a blast of from five to six seconds' duration C、a blast of from four to six seconds' duration D、a blast of from six to seven seconds' duration
A、6 short blasts and 1 long blast B、long blast mare than 6 short blasts C、more than 6 short blasts and 1 long blast D、1 long blast of at least 10 seconds
A、A.a 2-second blast every 20 seconds B、B.a 4-second blast every 20 seconds C、C.an 8-second blast every 30 seconds D、D.a 10-second blast every 30 seconds