Navigation Lights are Working (radiotelegraphy)导航灯的工作(radiotelegraphy) Quantitative Ultrasound Index (bone density)定量超声波指数(骨质密度) QuichÉ (Guatemala territorial division)QuichÉ (Guatemala territorial division) Quasi-Uniform Index性指数 Are your navigation lights working?你工作航行灯吗? Queen Of Useless Instruments女王的无用的乐器