The internship gave the students firsthand perceptual knowledge of the factory.
Tips
culture
感性认识 vs. 理性认识 (lǐxìng rènshi, 'rational cognition') is a Marxist-philosophy pairing taught in every Chinese high school. The line: sensory data must be processed by reason to become true understanding — straight from Mao's 'On Practice' (实践论).