attenuation ratio的例句大全

The section of attenuation or attenuation ratio for multi-component data can distinguish from gas/ liquid.

用多分量衰减系数或衰减比剖面，能够识别砂岩含气/水产生所产生的高频衰减异常。

a pattern generating section forms two patterns based on a pattern size, an embedding strength, and a pattern attenuation ratio.

图形生成部分根据图形大小、嵌入强度以及图形衰减比产生两个图形。

In offshore Qinhuangdao, some unfavourable factors such as severe high frequency attenuation, low signal/ noise ratio, weak reflection coefficient, discontinuous seismic event, too big line spacing and so on, restrict the improvement of seismic resolution.

秦皇岛地区存在的高频衰减严重、信噪比低、反射系数弱、同相轴不连续、设计采集线距太大等不利因素制约了分辨率的提高。

The size, edge, shape, internal echo, mass drive aspect ratio, pone attenuation and blood flow condition of the lesions were recorded. The nature of the breast lesions was analysed and judged.

并记录病灶的大小、形态、边缘、内部回声、肿块纵横经之比、后方衰减及血流情况，并对其进行综合分析来评价病灶的良恶性。

In this paper, a method named as the Difference Ratio Correction ( DRC) Method is proposed to estimate the acoustical attenuation in vivo using the video output of commercial B-scanners.

本文介绍了一种利用B超视频输出信号进行体内组织声衰减估计的方法&差比校正法。

Study on Best Comparability Ratio of Radix Rehmanniae with Radix Aristolochiae Fangchi for Attenuation of Toxicity The Best Combination of Effective Screening Component

生地对广防己减毒作用最佳配伍比例的研究参知健脑片有效组分的最佳配伍筛选

Forty-six cases of SPN with pathological and ( or) clinical results were studied with dynamic helical CT scan. Pre-and post-contrast attenuation, peak height of time-attenuation curve, and ratio of peak height of the SPN to that of the large artery were evaluated.

并对其中46例经病理及临床证实的SPN的CT动态增强特点进行评价，评估其增强前后的CT值、强化峰值、SPN与主动脉的强化值比。