工程学 gōngchéngxué engineering Definitions Defs Origin Strokes Stroke Words Sentences Sents 人类工程学 rénlèigōngchéngxué ergonomics The study of humans in their working environment and the design of equipment to maximize productivity and safety; human engineering生物工程学 shēngwùgōngchéngxué biotechnology the study and application of engineering principles to living systems and biology
