electrometric observation

例句：

1. 1.The scientist conducted an electrical measurement observation to study the behavior of the electrons in the circuit.
   科学家进行了电学测量观察，以研究电路中电子的行为。
2. 2. During the experiment, the teacher observed the students' performance carefully.
   在实验过程中，老师仔细观察了学生们的表现。
3. 3. The engineer made an electrical observation to ensure the safety of the equipment.
   工程师进行了电学测量观察，以确保设备的安全可靠。