The solar water heater described here is based on a design developed some years ago in Afghanistan.

VOA: special.2009.04.20

So I wrote a little program called "chart" that, based on some data I happened to hardcode into the program, shows us their numbers for the past several years.

我写了一个叫做“图表“的小程序，基于我在程序中硬编码的一些数据，向我们显示在过去几年中我们课程的人数。

哈佛公开课 - 计算机科学课程节选

Ten years ago was very like based on relationships

十年前，（音乐行业）基本建立在关系上。

音乐市场的变化！ - SpeakingMax英语口语达人

In recent years a musical play based on "The Producers" became a big hit.

VOA: special.2009.11.30

Now, in the world of Linux and Unix more generally, both of which are our operating systems that had been around for many, many years, Mac OS is based on one of-- one version thereof.

在Linux和Unix里更广泛，对了，这两个都是历史悠久的,操作系统，就连Mac操作系统,都是基于它的一个版本设计出来的。

哈佛公开课 - 计算机科学课程节选

Paul Ingram,co-director of the London-based British-American Security Information Council, notes that similar attacks have been going on for years.

VOA: standard.2009.10.18

U.S.-Venezuelan relations have been tense in recent years, although both nations agreed this year to seek a relationship based on mutual interest.

VOA: standard.2009.09.24

"We feel,based on our experience in the last seven years, we feel that we need to enhance our legal capacity to extend the power of detention and the power of detention without charge,".

VOA: standard.2009.09.10