token system造句

The token system for the program was divided into 3 levels.
Developments in electronic systems have led to the development of electronic token systems.
To provide for this, the electric train token system was developed.
He relates the comprehensiveness of token systems to the child's level of difficulty.
Tenby has the first application of motor points worked directly by the token system.
It's difficult to find token system in a sentence. 用token system造句挺难的

In the UK it is known as the " No-signalman key token system ".
In 2012, the temple administration introduced a token system for visitors to the temple.
A token system was implemented as a means of preventing people from playing excessively.
Until the system is finished, the WHR will continue using its current token systems.
Smart cards were also introduced a month later after the introduction of token system.
The art world, market-driven and self-protectively conservative, operates on a token system and always has.
The token system is still regularly used present day on State Railway of Thailand system.
"There's no question that the token system is a forerunner of writing, and really important,"
Concessions are purchased using a token system and many street vendors set up food and souvenir stands.
The token system facilitated the economy.

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