lake bottom

Envelop Feature Extraction of Lake Bottom Echoes

湖底回波的包络特征提取

The paper presents a method of lake bottom sediment classification using echo signals provided by a wideband active sonar.

本文论述如何运用实际宽带主动声呐的回波信号识别湖底沉积物介质类型。

Experimental Studies on Porcelain Brick Preparation Using Lake Bottom Sediments and Coal Fly Ash

利用湖泊底泥和粉煤灰制备瓷质砖的实验研究

Also the Courier may help them raise a crashed Boeing B-29 Superfortress from the bottom of Lake Mead, which they will restore and fly.

当然邮差也可以选择帮助他们从密德湖底打捞上一架坠毁的B-29超级堡垒轰炸机，他们会翻新和驾驶它。

Investigation on the migration and distribution patterns of petroleum-series contaminants in lake bottom silt

石油污染物在湖底淤泥中迁移和分布规律的研究

The lake bottom volcanic mud may serve as the cosmetology and the fitness.

湖底火山泥可用作美容和健身.

The water was so clear we could see the bottom of the lake.

湖水清澈见底。

Classification of lake bottom sediments using a wideband active sonar system Application of self-organizing mapping artificial neural networks to grain-size analysis

宽带声呐湖底沉积物分类研究自组织人工神经网络在矿区沉积物分类中的应用

The anchor caught in the mud of the lake bottom and kept the boat from moving.

锚钩住湖底的泥巴，使船不致移动。

Lake bottom scattering strength is obtained by processing lake bottom scattering data with such formula.

依据该表达式对湖上实验采集的湖底散射数据进行了处理，得到了湖底散射强度。