促进和引导地区经济合理布局和健康发展，应当遵循的基本原则是()。

A．重点突破、整体推进、东西联动、共同发展

B．发挥国家、东部和中西部三个积极性，走互助合作、共同发展的道路

C．有所进、有所退，有所为、有所不为

D．统筹规划、因地制宜、发挥优势、分工合作、协调发展

(1)analysis emphasizes the drawing of pictorial system models to document and validate both existing and/or proposed systems. Ultimately, the system models become the (2)for designing and constructing an improved system. (3)  is such a technique. The emphasis in this technique is process-centered. Systems analysts draw a series of process models called (4).(5) is another such technique that integrates data and process concerns into constructs called objects.

空白（2）处应选择（）

A.image

B.picture

C.layout

D.blueprint