射线与物质相互作用而发生干涉的散射过程称为相干散射。
诊断X线范围内相干散射的发生几率是
A.4%
B.90%
C.60%
D.5%
E.95%
参考答案:D
—What do you think of the match?
—It was ____ exciting that we were all excited about it.[ ]
A. so
B. very
C. too
D. quite
在施工现场,应按国家现行标准《钢筋机械连接通用技术规程》(JGJ107―2003)、《钢筋焊接及验收规程》(JGJ18―2003)的规定抽取钢筋机械连接接头、焊接接头试件作力学性能检验()