point-pressure non-ohmic contact

例句：

1. 1.The point-pressure non-ohmic contact is crucial for the operation of the device.
   点压非欧姆接触对于该设备的运行至关重要。
2. 2. The non-ohmic contact between two conductors is essential for maintaining electrical continuity.
   两个导体之间的非欧姆接触是保持电气连续性所必需的。
3. 3.In a point-pressure non-ohmic contact, the electric field is concentrated at the point of contact, resulting in high current density and power dissipation.
   在点压非欧姆接触中，电场集中在接触点上，导致电流密度高和功率损耗大。