对现场使用的带有二次表的振动管密度计,并附有检定证书时,要选用()检定法。
A、带有数字密度计
B、特性曲线标定法
C、密度比较
D、尝试
参考答案:A
补写下面句子中的空缺处,要求和前面的句子对称。(6分)
(1)目光短浅者,以物质的享受为生活的乐趣;志向高远者,________________________。
(2)生活的方式有两种,一种是腐朽,一种是燃烧。腐朽的人,在岁月的长河中任意飘零。燃烧的人,________________________。
The software architecture of a program or computing system is the structure or structures of the system, which comprise software______, the externally ______ properties of those components, and the relationships between them. The architecture is not the operational software. Rather, it is a ______ that enables a so, ware engineer to: analyze the ______ of the design in meeting its stated requirements, consider architectural alternatives at a stage when making design changes is still relatively easy, and reduce the ______ associated with the construction of the software.
A.framework B.deliverables C.representation D.semantic models