This paper studies product design's technique home, which involves case representation, case search, case modification and case maintenance.

本文针对实例产品设计中所涉及的实例表达，实例检索、实例修改，实例维护技术做了深入研究。

youdao

Many key techniques about case based design which include case representation, case retrieval, case adaptation and case maintenance are discussed by using an example of reducer design system.

以减速器设计为例阐述基于实例设计中实例表示、实例检索、实例修改、实例存储的关键技术。

youdao

We wanted to be here early in case the whatsit, maintenance supervisor had forgotten to deal with it.

我们想早点儿到这儿，以防那个什么维修主管忘了处理这个事儿。

《柯林斯英汉双解大词典》

Documents and testimony produced in a case against two USAirways mechanics for allegedly falsifying maintenance documents involving inspections of Airbus A-319 aircraft (the case was dismissed on appeal on timeliness grounds) indicate that FAA regulators may have crossed ethical lines in sharing enforcement information with USAirways in the course of a related, major investigation of its maintenance practices.

FORBES: Documents Raise Questions Of FAA Impartiality In Airline Oversight

In another case (EPA's safe harbor for routine maintenance under the New Source Review program), our action has been stayed by a federal court pending review of the rulemaking on the merits.

WHITEHOUSE: Testimony of John D. Graham

In that case, Windows PC has lower initial purchase costs and the overall maintenance cost.

FORBES: Apple Gets Predatory With Lion OS Pricing, May Bite Into Ballmer's Bottom Line