METHODS By XR 36 dual energy X ray absorptiometry (DEXA) and other methods, the length,diameter, surface area, weight, bone mineral density and mineral content of femur and tibia were measured.是什么意思_METHODS By XR 36 dual energy X ray absorptiometry (DEXA) and other methods, the length,diameter, surface area, weight, bone mineral density and mineral content of femur and tibia were measured.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句