压力影英文pressure shadow 释文岩石发生压扁作用时因其中所含的强硬矿物结核碎屑或化石碎片等与岩石基质能干性存在明显差异致使在顺其伸展方向两侧形成低应力区间由同构造分泌的结晶纤维充填而形成阴影阴影的结晶纤维成分多为石英方解石绿泥石等强硬颗粒为压力影的母晶以黄铁矿最为常见也有由其他矿物或颗粒等组成的压力影的对称性(如斜方对称或单斜对称)和形态可以作为变形岩石的运动学标志和有限应变测量标志体
在风洞实验中采用纹影照相和压力分布相结合的实验方法，确定了侧后向喷流复合增程技术中喷嘴—模型之间间隙的大小对表面压力的影响。
The influence of clearance between the nozzles and the model of the surface pressure was used in the hybrid extended-range technique of the side back jet.
通过在此设备上的一系列实验，获得了在不同压力和不同气流速度下液体轴对称抛撒的近场纹影照片。
By using the combination facility, many schlieren photographs of the axisymmetrical dissemination, breakup and atomization of the liquid under the action of axial airflow were obtained.
对压力引起X线胶片潜影衰退的影响进行研究，得出压力越大、受压时间越长、潜影衰退越甚。
This study showed that the greater the pressure and the longer the pressure time, the more the latent image decay and the less is the image density generated by developing X ray films.
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