measuring set of gain of TWT

例句：

1. 1. The engineer is measuring the temperature inside the room.
   工程师正在测量房间内的温度。
2. 2. We need to measure the distance between the two points accurately.
   我们需要准确地测量两点之间的距离。
3. 3. The scientist is measuring the amount of radiation coming from the sun.
   科学家正在测量来自太阳的辐射量。