It is the final step in the complex production of batik, a technique that uses wax to create elaborate designs on fabric.

VOA: standard.2010.04.14

There's one on DNA fingerprinting, for example, that gives you a little bit more detail about that specific technique; another one on production of therapeutic proteins.

例如,这里有一段,是关于DNA指纹图谱法,提供了这项具体技术一些更详尽的细节,另一段是关于治疗性蛋白质的生产的

耶鲁公开课 - 生物医学工程探索课程节选