搜题请搜索小程序“爱下问搜题”
问题 单项选择题

外源性凝血系统较为灵敏和最为常用的筛选试验是（）

A.APTT

B.PT

C.CT

D.血小板计数

E.血块收缩试验

答案

参考答案：B

单项选择题

You are performing two sums: the first is a sum of two scalar variables and the second is a matrix sum of a pair of two- dimensional arrays-size 1000 by 1000. What speedup is achieved when the calculations are performed on size 1000 processors

A．50

B．100

C．999

D．none of the above
查看答案
单项选择题

小吨位内燃叉车采用（）

A.二个档

B.三个档

C.无级变速

D.四个档
查看答案