preliminary design

基本解释

For the specific use case we figure out the problem, write the use case, analyse it to figure out what we need to be thinking about, and do some preliminary design.
对于具体的用例，我们弄清问题、撰写用例、分析找出我们需要考虑的内容，并且做一些初步的设计。
Northrop Grumman, in partnership with Georgia Tech, was awarded a research and development contract for the preliminary design, development and testing of micro-resonator devices.
诺斯罗普格鲁门公司与佐治亚理工学院合作，被授予了这份研发合同，负责微谐振器设备的初步设计、开发和测试。
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Under terms of contract, the company will complete the preliminary design of the AESA antenna system, demonstrate technology readiness and prove its functionality using hardware prototypes.
根据合同条款，诺斯罗普·格鲁门公司将完成AESA天线系统的初步设计和示范技术准备，并使用硬件原型验证其功能。

The completion of the so-called System Requirements Review and System Definition Review allows program managers to proceed into the rocket's preliminary design phase, NASA officials said.
MSN: Giant deep-space rocket passes key test - Technology & science - Space - Space.com NBC News
Some sources suggested that could be the result of preliminary design work being done for projects later scrapped due to lack of financing or other matters that could result in slower payments.
FORBES: Slower payments hitting some construction firms

初步设计
This is because during the computer-aided design, the designers always hope to see their preliminary design actually, as well as a lifelike picture.
这是因为在计算机辅助设计中，设计师总希望看到自己初步设计究竟是什么样子，希望有一幅足够逼真的图像。
交通运输工程
初步设计
The design flow of articulated frame was summarized. The design contents, rules and method of the articulated frame in the preliminary design, the dynamic appraisal and the lightweight process were studied.
通过对所开发的铰接式自卸汽车车架的设计,进行了铰接式车架一般设计方法的总结与研究,概括了铰接式车架的设计流程,对铰接式车架在初步设计、动态评估及轻量化过程中的设计内容、设计准则和设计方法进行了研究。
电子、通信与自动控制技术
概要设计

总体设计
The comprehensive evaluation of aircraft conceptual/ preliminary design is a significant phase in the development of aircraft.
飞机总体设计方案评估论证是飞机研制发展过程中的重要环节。
初步设计