动力系统

propulsion system / (math.) dynamical system

(of sth) to move / to set in movement / to displace / to touch / to make use of / to stir (emotions) / to alter / abbr. for 動詞|动词[dong4 ci2], verb

motive power / force / (fig.) motivation / impetus

power / force / strength / ability / strenuously

to connect / to relate to / to tie up / to bind / to be (literary)

system / department / faculty

to tie / to fasten / to button up

to connect / to arrest / to worry

system / CL:個|个[ge4]

to gather / to unite / to unify / whole