A floating line (浮动线 fúdòng xiàn) refers to a 45-degree line in the graphical analysis of the central bank balance sheet when exchange rate is floating. The central bank balance sheet must correspond to points on the 45-degree line.
- 浮 (fú) as in buoyancy (浮力 fúlì), emersion (浮出 fúchū) or floating clouds (浮云 fúyún). The character contains 氵(shuǐ; water) and describes the situation when a certain item floats on the water.
- 动 (dòng) as in sports (运动 yùndòng), animals (动物 dòngwù) or moving/touching (动人 dòngrén).
- 线 (xiàn) as in curve (曲线 qǔxiàn) or airline (航线 hángxiàn).