水泥混凝土路面产生最大综合疲劳损坏的临界荷位选用板的()。
A.横缝边缘中部
B.纵缝边缘底部
C.纵缝边缘中部
D.板角
参考答案:C
Due to a constantly (66) environment, a poor understanding of the user’s needs and preferences, as well as a (67) of willingness to modify. (68) organizational structures and decision models, the full economic potential of Web Information Systems (WIS) has not been realized by now. The data object types of the (69) meta model, the Extended World Wide Web Design Technique (eW3DT), provide hypertext designers (70) a conceptual, user-centric framework and graphical notation for the construction of both, (71) and customized models, during the software development (72) of commercial WIS. A reference model as a normative concept represents an abstraction of a (73) company, its functional units, or its Web Information System and is intended to streamline the design and implementation of complex applications at (74) costs. As precondition for pursuing a partial globalization strategy,eW3DT (75) between technical and content-specific responsibilities for designing, implementing, and maintaining WIS.
A.process
B.procedure
C.model
D.project
下面()是离合器分离不彻底对外表现的故障现象
A.当汽车起步时,将离合器踏板踩到底仍感挂挡困难,虽强行挂入,但不抬离合器踏板汽车就向前驶动或造成发动机熄火
B.当汽车行驶时,变速器挂挡困难或挂不进挡,并从变速器端发出齿轮撞击声。
C.在使用离合器时,有不正常响声产生
D.当负载上坡时,会从离合器内散发出焦臭味