防火对通风的要求是:风流稳定、漏风量少和通风网络中有关区段易于隔绝。
参考答案:对
首选用于治疗疮疡阳证的外用药物是( )
A.阳种和油膏
B.冲和油膏
C.玉露油膏
D.生肌白玉膏
E.回阳玉龙膏
For nearly ten years, the Unified Modeling Language (UML) has been the industry standard for visualizing, specifying, constructing, and documenting the(71)of a software-intensive system. As the (72)standard modeling language, the UML facilitates communication and reduces confusion among project (73). The recent standardization of UML 2.0 has further extended the language’s scope and viability. Its inherent expressiveness allows users to (74) everything from enterprise information systems and distributed Web-based applications to real-time embedded systems. The UML is not limited to modeling software. In fact, it is expressive enough to model (75)systems, such as workflow in the legal system, the structure and behavior of a patient healthcare system, software engineering in aircraft combat systems, and the design of hardware. To understand the UML, you need to form a conceptual model of the language, and this requires learning three major elements: the UML’s basic building blocks, the rules that dictate how those building blocks may be put together, and some common mechanisms that apply throughout the UML.
A.non-hardware
B.non-software
C.hardware
D.software