The nightmare that haunts many companies is that older workers spell rigidity. They will trap companies in the past and prevent them from riding the next wave of innovation.
萦绕许多公司的噩梦是高龄员工就意味着工作僵化，他们会使公司停滞不前，不再乘风破浪地前进。
2
The selectivity is reasonably good, even at the high end of the band. A wavetrap can be used to null nearby stations.
即使在频率高端，此线圈仍能保持良好的选择性。添加陷波器可以减小强台的干扰。
3
The measurement and examination of wavetrap coil and coupling filter used for power line carrier communication system are an important part to ensure the electric power system operating normally.