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- underground radio wave penetration method 坑道无线电波透视
- The Application of the Underground Radio Wave Penetration Method in Detecting the Silo Collapsing Columns 坑道无线电波透视法在探测井下陷落柱中的应用
- radio wave penetration method 无线电波透射法
- Keywords Radio wave penetration;Attenuation;Finite-difference method;Forward simulation;Centroid frequency downshift;Computed tomography; 无线电波透视;衰减;有限差分法;正演模拟;质心频移;计算机层析成像;
- radio--wave penetration method 无线电波透视法
- Analysis on Application Result of Roadway Radio Wave Penetration Technique in Fenxi Mining Area 无线电坑道透视技术在汾西矿区的应用效果分析
- radio wave penetration 无线电波透视
- The sun sometimes spoils the propagation of radio waves. 太阳有时会影响无线电波的传播。
- Only the penetration method has been used to any appreciable extent. 只有穿透法获得了较广泛的应用。
- Application of Sonic Wave Penetrating Method to Strengthening Effect Assessment of Churning Pile Composite Foundation 声波透射法在旋喷桩复合地基加固效果评价中的应用
- We directed radio waves around the globe. 我们向全球发射无线电波。
- These radio waves are coming at 15000 hertz. 这些无线电波以每秒 15 千赫的波长发出。
- The universe is bathed in a sea of radio waves. 宇宙浸泡在无线电波的海洋中。
- Radio waves travel in straight lines. 无线电波是直线传播的。
- Heinrich Hertz produces radio waves. 海因里希。赫兹制造出无线电波。
- Test Method for Yield Stress of Heterogeneous Propellants by the Cone Penetration Method (05. 用针入法测定非均质推进剂的屈服应力的试验方法(05。
- Combined with the relationship between evanescent wave penetration depth and incidence angle,a new parabola taper fiber probe is put forward. 结合倏逝波透射深度与光线入射角之间的关系,提出一种新的抛物线锥形光纤探头。
- We consider radio waves as radiant energy. 我们把无线电波看作是辐射能。
- Radio waves are regarded as radiant energy. 无线电波被看成是辐射能。
- The next page explains radio waves and modulation. 下一页解释无线电波和调变。