The practice indicated that the system is economy and reliability.

实践证明：该系统改造方案经济、可靠。

youdao

Practice indicated that this process satisfied the requirement of production.

经生产实践证明，该工艺满足了生产需要。

youdao

Engineering practice indicated that the method is of some practical engineering value.

工程实践表明，此法具有较好的工程实用价值。

youdao

"Interviews with nursing staff indicated that the practice of using one patient's insulin pen for other patients may have occurred on some patients, " said Timothy Finan, president and chief executive of Upper Allegheny Health System, the parent company of the Olean hospital.

WSJ: 2nd NY hospital warns of insulin pen infection