field proven meaning in English

经野外考验的
现场已证实的

In addition , drought - stress trials in field proved that the capability of drought - resistance of the transgenic tobaccos were improved
田间抗旱试验结果证明转基因烟草的抗旱性得到了增强。
Control flexibility - viper reclosers are designed to work directly with the popular , field proven schweitzer ? sel - 351r control . other controls are available depending on application requirements
Viper重合器可以直接与流行的，有丰富运行经验的sel - 351r或较经济的guardian 100控制器配合。
Ep - red is complete iron control system for oil well acidizing . this product uses field proven technology to minimize iron induced sludge and precipitation problems in all types of acidizing
Red是一套完整的铁质控制系统用于油井酸处理。此产品是所有油井酸处理中应用了油井勘探技术来减少由铁质而引起的铁渣和铁沉淀问题。