The data of 5 ionospheric vertical sounding stations before 4 earthquakes in Japan are analyzed. It is found that most of the critical frequencies of the E sporadic layer tended to decrease and the only few tended to increase around the epicenters before and after the earthquakes.

1、

The meteorological satellite sounding data has been used in numerical forecast in many countries. This paper introduces the methods for retrieving atmospheric temperature profiles from meteorological satellite vertical sounding data and the calculations of regression retrieval coefficients used in the statistical method.

气象卫星垂直探测资料在国外已广泛用于数值天气预报中，本文介绍了由气象卫星垂直探测资料反演大气温度廓线的方法及回归反演系数的计算。

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A piano with a vertical sounding board.

带有垂直传声结构板的钢琴。

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The whistle goes at the end of the match. Multi-beam echo sounding measurements

比赛结束时哨声响了.多波束回声测深数据

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Survey standards for multibeam echo sounding will be developed with reference to worldwide specifications.

探讨先进国家的规范标准以草拟国际适用的多音束测深规范；

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Analyzing the Influences of Swath width of Multibeam Echo Sounding System on Circumstance Factors

影响多波束测量系统覆盖宽度的环境因素分析

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Determination of classic experiential sound speed formulae in multibeam echo sounding system

多波束测深系统最优声速公式的确定

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The Data Separating and Selecting of Multibeam Echo Sounding System

多波束回声测深系统测量数据的分离提取方法

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The Analysis of Vessel Attitude and the Effect for Multibeam Echo Sounding

船姿分析及其对多波束测量的影响

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Research on the Influence of Surface Sound Velocity in Multibeam Echo Sounding

表层声速对多波束测深影响的研究

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Nowadays the wide angle reflection/ refraction-the deep-crustal sounding is usually used as a seismic method in the world mainly for Studying rough structure of Moho& its overling beds.

目前世界上用地震方法研究地壳结构，通常借助于广角反射或折射，即地震地壳测深方法，研究对象主要是莫霍面及其上覆层的粗略结构。

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The Influence of Rock Anisotropism on Reflection Coefficient k Resistivity Sounding Interpretation and Its Correction

电测深反射系数K法解释中岩石非各向同性的影响和改正

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In process of data processing, we used the techniques, such as filtering, edition surgical blanking, prediction deconvolution, fitting static correlation of first arrival time, and velocity analysis, and obtained a high-qualitative shallow seismic reflection sounding profile.

数据处理过程中采用了滤波、编辑切除、预测反褶积、初至时拟合静校正和速度分析等技术，得到了高质量的浅层地震反射探测剖面。

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Poisson's Ratio Structure of the Crust and UHP Metamorphic Zone in the Dabie Orogenic Belt& A Suggestion from Wide-angle and Subvertical Seismic Reflection Sounding

大别造山带地壳泊松比结构与超高压变质带&来自宽角反射与近垂直反射剖面的启示

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Field experimental seismic sounding permitted us to obtain optimal shallow seismic reflection sounding parameters.

在现场实验探测的基础上，获得了最佳浅层地震反射探测参数。

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A Simple Method for the Automatic Inversion of Electrical Sounding Data

一种简易的电测深曲线自动反演方法

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Methods for interpretation of electrical sounding data under some complex conditions

某些复杂条件下电测深资料的解释方法

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The occurring location and extension direction of the fracture zone can be determined by using electrical sounding.

应用电测深法可以确定其断层破碎带产出位置和延伸方向。

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The experiment and research of the axial even permutation electrical sounding in marine

海洋轴向偶极电测深法的试验研究

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A nautical unit of depth. find the depth of water in a ship's hold ( with a sounding rod)

测量深度的航海单位。（以测深杆）测定船舱内的水深。

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Even so, because of the exacting standards of medical practice that ate necessary to protect patients, we have serious reservations about the McDonald bill.

即使如此，因为用来保护病人的医疗标准极其严格，我们对McDonald提出的草案持严肃的保留意见。

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