【判断题】在使用传感器测量同一物理量时,可以有很多原理的传感器供选用。
【判断题】Extra weight can make asthma symptoms and COPD (chronic obstructive pulmonary disease) worse.
【简答题】A new study suggests dring soda might _ the risk for respiratory disease like asthma and chronic obstructive pulmonary disease (COPD).
【单选题】Asthma ( 哮喘 ) is thought to be a disease partly linked ________ air pollution.
【单选题】负载三角形连接的对称三相电路,若线电压为 380V ,则负载相电压为( )。