自动气象站传感器是能感受被测气象要素的变化并按一定的规律转换成可用输出信号的器件或装置，通常由（）和（）组成。
参考答案：敏感元件;转换器
Which of the following signs or symptoms would lead the nurse to suspect that a 10-year-old child is experiencing early salicylate toxicity
A. Chest pain.B. Pink-colored urine.C. Slowed pulse rate.D. Dizziness.
备用UPS和互动UPS的输出频率必须与为其供电的输入交流电源（）。
