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| 11. | A type of RAM that maintains its contents only as long as the data stored in the device is refreshed |
| 一种RAM，存储在其设备中的数据被定期刷新时才能保存它的内容。 |
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| 12. | ZI is a company operating within many ranges and offers Cavity sinking EDM machines (ram-type EDM machines |
| 作为一家令客户满意的生产型企业，ZI制造（工件）托盘交换装置,拆除的机床范畴内的最新产品。 |
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