例如，一个类描述了现实世界中的一个物理对象。
For example, a class describes a physical object in the real world.
物理数据模型才是对数据的现实的实现。
The physical data model is the real-world implementation of your data.
也许在这个交替现实里，物理定律有点差异。
Perhaps it’s an alternate reality where the laws of physics are a bit different.
也许在这个交替现实里，物理定律有点差异。
Perhaps it's an alternate reality where the laws of physics are a bit different.
笔者就此开始感受到事物的物理性的现实。
然而，现代物理学告诉我们，现实世界本身就是矛盾的。
But then, modern physics tells us that reality itself is contradictory.
但物理学却很善于利用现实的实验。
借助于评价，人类能够掌握现实的物理世界和精神世界。
By appraisal. man is able to know not only the physical world of reality, but the mental as well.
记者：在现实世界的物理安全和网络空间中的安全之间是否有某种接合？你们这里有开锁人吗？
Reporter: Is there a connection between physical security and cyber security? You have lockpickers here.
除了在物理时空中，年龄并没有现实意义。
除了在物理时空中，年龄并没有现实意义。
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