A wave that is far enough from its source that its wavefront has no effective curvature, or is planar, over a short distance.
离震源足够远以致其波前在小范围内曲率很小或者就是是平面的波。
Distribution of favorable source rocks controls the planar distribution of gas reservoirs, and "effective reservoirs" in deep tight sands are the key to gas accumulation and production.
有利烃源岩发育区控制天然气的平面分布，深层致密砂岩储层中发育的“有效储渗体”是天然气富集、高产的关键。
A low power inductively-coupled microwave plasma source based on planar spiral microstrip at 2.
本文提出一种基于平面螺旋微带的2。
The sound source localization method based on four-element planar crisscross array is investigated and the localization equations are derived, followed by the performance analysis.
本文研究了平面四元十字阵的定位原理和算法，并对其定向精度以及远场假设误差进行了仿真分析。
The sound source localization method based on four-element planar crisscross array was investigated and the localization equations are derived followed by the performance analysis.
在阵列布设方面，本文重点研究了平面四元阵和平面五元阵的定位原理和算法，并进行误差分析和仿真比较。
The sound source localization method based on four-element planar crisscross array was investigated and the localization equations are derived followed by the performance analysis.
在阵列布设方面，本文重点研究了平面四元阵和平面五元阵的定位原理和算法，并进行误差分析和仿真比较。
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