双语例句
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Single inverted pendulum is a non-linear, unstable system.
倒立摆是非线性、不稳定的系统。
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Open-loop unstable system with time delay is difficult to control using routine control methods.
开环不稳定时滞系统是工业现场中常见的一类被控过程，这类系统控制难度高，控制精度难以保证。