technical grade

基本解释

Furthermore, highway network mostly is the trouble of technical grade and service low.
中小城市的道路网普遍存在着公路网技术等级低、服务水平差等问题。
Phosphoric acid is grouped as four kinds by its production method, that is agricultural grade, technical grade, food grade and semiconductor grade.
磷酸按生产方法可分为热法磷酸和湿法磷酸，按用途可分为农业级、工业级、食品级和半导体级磷酸。
The development of 3700 logging system not only improves the comprehensive level and technical grade, but also improves logging efficiency with lower cost.
该系统的开发提高了3 70 0设备的综合水平和技术等级，降低了成像测井技术的成本。

At the talks in the Kazakh city of Almaty they are asking Tehran only to greatly limit its production and stockpiling of uranium enriched to 20 percent, which is just a technical step away from weapons-grade uranium.
NPR: Iran Nuke Talks Open, EU Asks Tehran To Compromise
The Dow fell 19%, so we can grade that call as an A. Unfortunately, once the technical crowd thinks that it has spotted a trend, it can get carried away.
FORBES: Uncharted territory