Cubic is under contract to Teledyne Scientific & Imaging LLC, prime contractor for the EXACTO program, to develop optical command link components for the fire control and guidance subsystems.
The design of controlprogram is a very important link in the develop study of PLC's application system, especially in its large -scale application system.
控制程序的设计是PLC应用系统研制的重要环节，特别在大型PLC应用系统中，其重要性就更为突出。
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Each link in the chain may contain a pointer to the next link, or there may be a master control or program instructing the programs to link together.