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
Would you like some more ...?
你想不想再来些……
In the world, who knows not to swim goes to the bottom.
处世似游泳，不会即下沉。
The contents were disappointing.
箱内东西令人失望。