In order to observe the phenomenon of the filament temperature drop caused by the board-current, the ideal diode filament temperature was detected precisely with an infrared thermometer.

为了观察由板流引起的灯丝温度下降现象，利用红外测温仪对理想二极管灯丝温度作了精密测量。

We designed and made an instrument to demonstrate the laws of electricity-transmitting for long distance, by which we can observe the phenomenon and calculate.

对现有的远距离输电演示仪器进行改进，自行设计和制作了远距离输电模拟实验演示仪，可从定性观察和定量计算两方面演示。

Then Lanny began to observe a curious phenomenon.

接着兰妮开始注意到一个奇异的现象.

They did not really observe this phenomenon in person.

他们没有真正亲自看到这个现象。

Objective: To observe the capillary infiltration phenomenon of the degenerated lumbar intervertebral disc.

目的：观察退变腰椎间盘的血管浸润现象。