n.

public transport provided by a line of railway cars coupled together and drawn by a locomotive

"express trains don't stop at Princeton Junction"

同義詞：railroad train

a sequentially ordered set of things or events or ideas in which each successive member is related to the preceding

"train of mourners"; "a train of thought"

同義詞：string

a procession (of wagons or mules or camels) traveling together in single file

"they joined the wagon train for safety"

同義詞：caravanwagon train

a series of consequences wrought by an event

"it led to a train of disasters"

piece of cloth forming the long back section of a gown that is drawn along the floor

"the bride's train was carried by her two young nephews"

wheelwork consisting of a connected set of rotating gears by which force is transmitted or motion or torque is changed

"the fool got his tie caught in the geartrain"

同義詞：gearinggeargeartrainpower train

Dislocations in wave trains
Attosecond Pulse Trains Using High-Order Harmonics
Packet Trains--Measurements and a New Model for Computer Network Traffic
Entropy and Information in Neural Spike Trains
The disintegration of wave trains in deep water. Part 1, Theory
The Structure and Precision of Retinal Spike Trains
Formation and propagation of matter-wave soliton trains.
Entropy and information in neural spike trains: progress on the sampling problem.
Spike-timing-dependent synaptic modification induced by natural spike trains.
The Fourier approach to the identification of functional coupling between neuronal spike trains.