D. design and prepare, or arrange for the design and preparation of, advertisements.
设计和准备，或安排广告的设计和准备。
So the test case design and preparation of software testing activities is the most important.
因此测试用例的设计和编制是软件测试活动中最重要的。
The program includes system hardware structure design and selection and Control program preparation.
该方案包括系统硬件结构设计、选型及控制程序的编写。
The preparation of material and the structural design were introduced in this article.
本文主要介绍材料的制备和元件的结构设计。
The preparation method has the advantages of reasonable design, simple process and low cost.
本发明制备方法设计合理，工艺简单，成本低。
The preparation method has the advantages of reasonable design, simple process and low cost.
本发明制备方法设计合理，工艺简单，成本低。
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