正交晶系的晶体几何常数应满足的条件是()
A.a=b≠c α=β=γ=90°
B.a=b=c α=β=γ≠90°
C.a≠b≠c α=β=γ=90°
参考答案:C
WebSQL is a SQL-like (26) language for extracting information from the web. Its capabilities for performing navigation of web (27) make it a useful tool for automating several web-related tasks that require the systematic processing of either ail the links in a (28) , all the pages that can be reached from a given URL through (29) that match a’ pattern, or a combination of both. WebSQL also provides transparent access to index servers that can be queried via the Common (30) Interface.
(28)是()
A.hypertext
B.page
C.protocol
D.operation
某配件公司长期以来一直是汽车厂的主要配件供货单位,最近汽车厂向供应商提出了供应过程监控证据的要求,配件公司为了满足顾客要求,准备在全公司开始推行统计过程控制。试对下列题目进行分析。
常规控制图的设计思想是( )。
A.先确定犯第一类错误的概率,再看犯第二类错误的概率
B.先确定犯第二类错误的概率,再看犯第一类错误的概率
C.先确定生产方风险,再看使用方风险
D.先确定生产方风险,再看使用方风险