Try to replace the metal -nanocluster layer with different material and make some basic progress in expanding the structure and process of device fabrication .

并尝试替换器件的中间金属纳米层，为拓展器件结构和制作方法做出一定的尝试性工作。

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With experience, central control and process operators may progress to supervisory positions in mineral and metal processing.

随着经验的积累，中央控制和过程操作员可能晋升为矿物和金属加工主管职位。

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With experience, machine operators may progress to central control and process operators in mineral and metal processing.

随着经验的积累，机器操作员可晋升到运营商矿产和金属加工的中央控制和处理操作员。

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During Wednesday, the pace of the rescues increased from one per hour to three, progress that was measured by the spinning of the metal wheel that let out and then shortened the cable attached to the capsule -- a makeshift elevator with only two stops.

CNN: After a final day together, miners begin to disband