与传统的继电器控制比较，PLC控制降低了实习成本，增强了教学效果，提高了学习效率。

Compare with the traditional control with the relay, the PLC control lowers the practice cost, enhances the teaching effect, and increases the study efficiency.

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事实上，飞机是如此稳定，是一个建立信任演习实习飞行员尝试是“放手”的控制和飞行“免提”。

In fact the aircraft is so stable, that one of the confidence building exercises trainee pilots try is to "let go" of the controls and fly "hands free".

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目的探讨医学检验专业本科生实习期间实践临床实验室全面质量控制过程的意义。

ObjectiveTo assess significance of the total quality control in the clinic practice of the laboratory-medicine students.

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