When the value of R has exceeded a given control threshold, the microcomputer control system will run control program.

当R值超过设定的监测门限值时，微机控制系统转入执行控制程序。

youdao

With the increase of the stress ratio r, the threshold decreased.

随着应力比的增加，门槛值下降。

youdao

The innovation of technology follow "the theory of threshold", which means that stable output of technology bases on sufficient input of R&D.

前言： 技术创新遵循“阀值理论”，即只有当研发资源集中到一定程度才能使研发成果成为稳定输出。

youdao

R. 1965 would increase the shareholder threshold to 2, 000, adjusting a limitation that has been in place since the mid-1960s.

FORBES: Washington And The Markets Unite To Foster Small-Company Growth