It didn't look at shoe heel height, it looked at anatomical heel length, the distance from the back of your ankle joint to the insertion of the Achilles tendon.
他没有着眼于鞋子的高度，他考虑的是脚后跟长度的结构，从踝关节背面到跟腱的附着距离。
It's small, can work in the wide area of the wave length, also it react fast, low insertion lose, polarized low lose est.
该产品结构紧凑，体积小，具有工作波长范围宽，响应速度快，插损低，偏振相关损耗低等特点。
It's small, can work in the wide area of the wave length, also it react fast, low insertion lose, polarized low lose est.
该产品结构紧凑，体积小，具有工作波长范围宽，响应速度快，插损低，偏振相关损耗低等特点。
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