given a stack of punched cards encoding transactions, they produced a ledger
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另外，2025年8月起，北京市所有公办幼儿园大班（学前一年）儿童免收保育教育费，覆盖全市公办园。
The objects have been taken to Cardiff University's lab. Conservator Nicola Emmerson is painstakingly removing the dirt of the dig from an ornate copper brooch.