阐述了快速置换加热间歇蒸煮化学和技术的原理。
The Rapid Displacement Heating (RDH) cooking process has been developed by Beloit Corporation as an energy efficient pulping system.
但安全专家说，它包括了生物和化学传感器技术、视频、无线通信，以及模拟潜在污染物蔓延的计算机软件。
But security experts say it contains biological and chemical sensor technology, video, wireless communications, and computer software to simulate the spread of potential contaminants.
这就是说，利用化学和新技术的意义主要在于研究人员不需要移除画作的层次，就能观察各个层面。
That said, using chemistry and new technology is particularly useful because researchers can look at several layers of a painting without removing them.
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