The Tech. Dept. and relevant persons confirm that the hardness of HB225-305 specified in the Control Plan and the Customer's drawing is correct.

经技术部及相关人员的确定，《控制计划》及顾客图纸要求硬度为HB225-305是正确的。

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Laser drawing system is the product of high - tech.

激光光绘系统是高新科技的产物。

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On the other side of the coin is Pinterest, drawing tons of attention from the tech community.

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The new insight, published in the December issue of the journal Antiquity, came because two archaeologists decided to use a decidedly low-tech method to understand the sand drawing's ancient secrets: by walking it.

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