电子步态垫是足印法和足开关的结合,其下有10000多个压力传感器,均匀分布在垫下,其长度为
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WhenIgotoutofthecarandwalkedaboutamongthem,____oneoldmanwhoshookhisheaddisapprovingly,theyallbegantocheer.
Hewasluredintoacrimehewouldnot____________havecommitted.
Oneoftherequirementsforafireisthatthematerial____toitsburningtemperature.