field shield造句

• The earth s em field shields us from the solar winds ,
  地球的电磁场会挡住太阳风
• Pulse electric field shielding effectiveness measurement system
  脉冲电场屏蔽效能测试系统及测试方法
• Introduced the antijamming in the numerical control system design , from the shield ( including electric field shield , magnetic screen and electromagnetic field shield ) designs mentions , added the absorbing circuit to the perceptual load to suppress the transient state noise to give the specify , might avoid the numerical control system which disturbed creates " softly " the breakdown
  摘要介绍数控系统中的抗干扰技术，对屏蔽（包括电场屏蔽，磁场屏蔽和电磁场屏蔽，正确的布线方式）和感性负载加吸收电路来抑制瞬态噪声做了详细说明，可避免干扰造成的数控系统的“软”故障。