题目内容

心肌梗死后,为明确存活心肌状况,应选用的检查措施是()

A. 心电图运动试验
B. 核素心肌灌注显像
C. 动态心电图监测
D. 血培养
E. 心肌酶谱

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系统软件中最核心的部分是______。

传输层的主要任务是向用户提供可靠的______服务,透明地传送报文。

● Look at the notes below.● Some information is missing.● You will hear a conversation about the customer’s details,● For each question 16-22, fill in the missing information in the numbered space using one or two words.● After you have listened once, replay the recording, Customer Details Name: Mr. (16) ............ Company: The Hill (17) ............ company Address: (18) ............ Green street philadephia, Pennsylvania Phone No.: (19) ............ Fax No.: (20) ............ Order details: (21) ............ Quantity/Amount: (22) ............

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

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