下列哪一种指标常用来说明疾病对人的生命危协程度()。
A、发病率
B、死亡率
C、患病率
D、罹患率
E、病死率
参考答案:E
下列词语中有4个错别字,把它们找出来,并改正。
耳闻目赌 无原无故 文治武力 苛捐杂税
令人作沤 意味深长 杳无踪影 成心成意
错字:___________ ___________ ___________ ___________
改正:___________ ___________ ___________ ___________
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