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1. The situation might be imposed by a deliberate experiment or governed simply by the dimensions of the region where the thing is confined. 2. It's unlikely that random thermal energy would create even a single photon. Thus, we expect to find no photon energy at arbitrary high frequencies. 第一句我不懂的是翻譯的語句順序 調了很久都翻不順 無法懂他的意思  還有imposed在這裡到底表示什麼呢? 第二句是create even a single photon 還有後面期待什麼? 這邊看不太懂 請高手幫忙講解意思  感謝T_T -- ※ 發信站: 批踢踢實業坊(ptt.cc) ◆ From: 61.224.74.115