跟腱反射时间的测定是诊断甲低的一种辅助手段。自制动速计是将三块马蹄形磁铁重叠固定于一稍大木板上,蹄稍伸出木板外。用细漆包线绕一匝约40的小方形线圈,并用丝线将其悬挂于火柴匣大的塑料盒中,线圈两端引出盒外,各焊一段导线。测时将盒后面用肢体带固 Achilles tendon reflex time is an aid to diagnosis of a low. Homemade speedometer is the three horseshoe-shaped magnet overlap fixed to a slightly larger wooden, hoof slightly out of the wooden board. Use a small enamelled wire to make a small square coil of about 40 turns and suspend it in a large plastic box of a matchbox with wire. The two ends of the coil lead out of the box, and each section of wire is welded. Measured when the box with the body with solid