皮皮学，免费搜题
登录
搜题
【单选题】
检测限与定量限的区别是( )A.
定量限的最低测得浓度应符合精密度要求
B.
定量限的最低测得量应符合准确要求
C.
检测限是以信噪比(2:1)来确定最低水平,而定量限是以信号噪比(3:1)来确定最低水平
D.
定量限规定的最低浓度应符合一定的精密度和准确度要求
E.
检测限以ppm、ppb表示,定量限以
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【多选题】计算机集成制造系统( CIMS )是通过计算机、网络、数据库等软硬件将企业的 等方面的所有活动集成起来形成先进生产模式。
A.
废品回收
B.
产品设计
C.
加工制造
D.
经营管理
【单选题】某企业2018年销售货物收入4000万元。当年实际发生业务招待费50万元,该企业当年可在所得税前列支的业务招待费金额是()万元。
A.
10
B.
12
C.
15
D.
20
【简答题】药品集中招标采购是指什么?
【单选题】PROJECT MANAGER We are seeking to appoint a Project Manager to work on a two-year contract with the fish processing industry. A pplicants must have a degree in food science or a business discipline wi...
A.
This company wants to change the main focus of its attention.
B.
This company plans to take over other companies.
C.
The person appointed to this job will have to show an ability to deal with ever-changing market conditions.
D.
The person appointed to this post will deliver assistance to other companies.
【简答题】Linguistics uses a large number of technical terms...because most of the everyday terms that are used to refer to language originated from __________ and are either _________ or _________. Thus, the u...
相关题目：
参考解析：
知识点：
题目纠错 0
发布
