straight beam

用法例句

This paper used vertical acoustic reflection method to detect the quality of Liaofang Reservoir\'s dike cutoff wall,and processed original data in instantaneous spectral method.

采用垂直声波反射法对江西廖坊水库堤防墙质量问题进行检测,并利用瞬时谱分析法对原始数据进行处理,所得检测结果经钻探验证效果良好。

Application of Vertical Acoustic Reflection Method in Cutoff Wall Quality Inspection

垂直声波反射法在防渗墙质量检测中的应用

The Reflection and Trans Mission in Two Mediums Demarcation When Sound Wave Vertical Incidence;

声波垂直入射在两种介质界面处的反射和透射

Normal incidence

垂直入射(亦见直射声束)

The planes of the wave front and the reflecting surface are also normal to the plane of the figure

波阵面的诸平面与反射面都与图面垂直。

THE GENERALIZED REFLECTION-TRANSMISSION COEFFICIENT METHOD IN ACOUSTIC WELL LOGGING

声波测井中的广义反射、透射系数方法

90 deg. refl. - controls the reflectivity of surfaces perpendicular to the viewer.

反射控制与视线垂直的表面的反射。

" Paper, board and pulps--Measurement of diffuse reflectance factor (Diff/o-geometry)"

GB/T7973-1987纸浆、纸及纸板漫反射因数测定法(漫射/垂直法)

Reflection will fall within a narrow wedge on the plot that is centered on its vertical axis.

反射波落在图上以垂直轴为中心的一个狭窄的楔状带内。

Study on the Characters of Ultrasonic Pulse Field Based on the Means of Reflection by Small Ball

基于小球反射法的超声脉冲波声场特性研究

pulsed echo ultrasonoscope

回波反射式超声诊断仪

seismic wipeout

地震剖面上无反射的垂直区域

Discussion on Technology of Low Strain Reflection Wave Testing in Large Diameter Cast-in-Place Pile

低应变反射波法检测大直径灌注桩技术探讨

To repeat(a sound) by the reflection of sound waves from a surface.

发出回声表面反射声波而重复的声音

Simultaneous reconstruction of the acoustic equation via a direct optimization approach

直接优化法同时反演声波方程的两个系数

Application of Shallow Seismic Reflection and Sonic Logging to the Geotechnical Engineering

浅层地震反射波法与声波测井在岩土工程中的应用

The angle drawn at the point of incidence (intersection of) a reflected ray and the normal line perpendicular to the reflecting surface.

中义光线在物体表面的投射点上反射出来的光线与物体表面垂直法线所夹的角度。

Visco-acoustic transmission waveform inversion for velocity structure in space-frequency domain

频率域粘弹性声波透射波形速度反演

Studies of Long-wavelength Vertical-Cavity Surface-Emitting Laser Materials and Physics

长波长垂直腔面发射激光器材料与物理研究