力学传递

mechanical transmission

power / force / strength / ability / strenuously

mechanics / to study hard

to learn / to study / to imitate / science / -ology

to pass on / to spread / to transmit / to infect / to transfer / to circulate / to conduct (electricity)

biography / historical narrative / commentaries / relay station

to transmit / to pass on to sb else / (math.) transitive

to transmit; to pass on to sb else / (math.) transitive

to hand over / to pass on sth / to gradually increase or decrease / progressively

to hand over; to pass on; to deliver / (bound form) progressively; in the proper order