cathode emission area

例句：

1. 1. The cathode emission area is crucial for theoperation of the device.
   阴极发射区对于该设备的运行至关重要。
2. 2. The researchersfound that the cathode emission area had a significantimpact on the performance of the device.
   研究人员发现，阴极发射区对设备的性能有显著影响。
3. 3. In orderto improve the efficiency ofthe cathode emission area, the manufacturer has made some modificationsto the design.
   为了提高阴极发射区的工作效率，制造商已经对设计进行了一些修改。