罗氏 luóshì Roche Origin Definitions Defs Strokes Stroke Words Sentences Sents 罗氏几何 luóshìjǐhé hyperbolic geometry hyperbolic geometry; Lobachevskian geometry罗氏线圈 luóshìxiànquān Rogowski coil an electrical device used for measuring alternating current (AC) or high-speed current pulses