Physical data independence
[计] 物理数据独立性
🧩 词语组成解析
data
['detə]
n. 资料，材料;datum的复数;[计算机]数据，资料;从科学实验中提取的价值;
🗣️ 情景例句
You and Alexandra
你和Alexandra
You mind your business, and I'll mind mine.
井水不犯河水。
As soon as he opens the gate from the outside, he comes into the garden and waits until the gate shuts.
它从外面把门一打开，就走进花园，等着门自动关上。