刻度尺、温度计、量筒、弹簧测力计、电流表和电压表是物理实验中的常用仪器．通过比较可以发现，这些仪器具有一些共同的特点，例如，它们都有一定的量程等．
上述仪器还有的共同特点是：（只要求写出2个）
（1）______；
（2）______．
因为刻度尺是用来测量长度的、温度计是用来测量温度的、量筒是用来测量体积的多少的、测力计是用来测量力的大小的、电流表是用来测量电流的大小的、电压表是用来测量电压的大小的，因此他们都是用来测量不同物理量的仪器，即它们都是测量仪器，并且他们都有分度值，刻度线分布也是均匀的等．
故答案为 它们都是测量仪器；它们都有分度值；它们刻度线的分布都是均匀的．
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| Harry Potter is a set of popular books created by J.K.Rowling in Britain. The books tell us some stories about a talented wizard (天才魔法师), Harry Potter. When he was eleven years old, he had an unhappy life. However, a strange letter changed everything. It said he was accepted by Hogwart's a magic school which was closed to the common people. All kinds of adventures (冒险) happened to Harry from then on. He met Ron Weasley and Hermione Granger on his way to school. They became good friends later. Harry did well in his lessons and worked hard to play magic. Harry always had a positive attitude(态度)when he faced the difficulties. With the help of his friends, he tried his best to beat the enemies. Finally, the world peace came back. Smile appeared on everyone's face. If someone wants to know what takes place in the magical world, he will have to read the set of books by himself! | ||||||||||||
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