包含在ECM内的是一个可动的校正装置，或是可编程序的读存储器。

Contained within the ECM is a removable calibration unit, on programmable read - only memory.

youdao

可编程只读存储器（PROM）芯片允许将你的数据和程序放到其上。

Programmable read-only memroy (PROM)chips allow you to put your own data and programs on them.

youdao

可编程只读存储器（PROM）芯片允许将你的数据和程序放到其上。

Programmable read-only memroy (PROM)chips allow you to put your own data and programs on them.

youdao