It's also why, to extract a given quantity of metal, less material needs to be processed, which is the most environmentally destructive part of mining.
同样，提取同样数量的金属所需处理的物质相对较少。
Sets up and performs destructive and nondestructive tests on materials, parts or products to measure performance, life or material characteristics.
建立并进行破坏性及非破坏性的材料、零件、产品测试，从而计量其性能、寿命或材料特性。
Thermal wave imaging detection technique based on photothermal effect applied to non-destructive detection of solid material is the research with lots of potential at this current stage.
基于光热效应的热波成像检测技术应用于固体材料的无损检测是目前很有潜力的研究方向。
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