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
She's nine years old.
她九岁。
Look! She just fainted away from the shock.
瞧！她因受打击而昏厥过去。
The pictures it sent us were very disappointing because its main mirror was faulty!
它传送给我们的图像很令人失望，因为它的主要镜子有误差。