建立在老macos的经典系统上，是一个非常简单的设计。
QuickDraw, found on the old MacOS Classic systems, was a very simple design.
对工程学经典的定义是视具体情况来运用系统。
The classic definition of engineering is the application of a system to a specific situation.
对于“灌输”是什么的问题，经典作家提出了系统理论。
What is "imbuement"? For this, Classic writers have put forward systematic theory.
一阶谓词逻辑是现代逻辑中最为经典的演算系统。
Predicate logic of first order is the most classical calculation system in modern logic.
一阶谓词逻辑是现代逻辑中最为经典的演算系统。
Predicate logic of first order is the most classical calculation system in modern logic.
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