在企业总体经营目标中，必须突出具有全面性的主要问题。否则主次不分，企业的资源就不能有效利用，造成资源的浪费。这体现了运输计划编制的（ ）。

A．全面性原则

B．完整性原则

C．强制性原则

D．关键性原则

(71) analysis emphasizes the drawing of pictorial system models to document and validate both existing and/or proposed systems. Ultimately, the system models become the (72) for designing and constructing an improved system. (73) is such a technique. The emphasis in this technique is process-centered. Systems analysts draw a series of process models called (74) . (75) is another such technique that integrates data and process concerns into constructs called objects.

（73）是（）

A. Structured analysis

B. Information Engineering

C. Discovery Prototyping

D. Object-Oriented analysis