On both sides of the main coil axis (37), the surface coil (35) comprises an electrically conductingelement (39) which extends substantially parallel to the main coil axis (37).
In Mechanical Engineering, conducting research on the roughness of surfaces of the machine element also is profoundly practically significant.
在机械工程中,对机械零件加工表面的这种凹凸不平性开展研究同样具有重要的实践意义。
3
A two-terminal element in general form is shown in Figure 1, with a single device represented by the rectangular symbol and two perfectly conducting leads ending at connecting points A and B.