Prediction of Concrete Compression Strength Based on BP and PBF Neural Network Theories

Stacked filters are a class of nonlinear digital filters based on threshold decomposition, whose optimizing process is a course of optimizing PBF.

层叠滤波器是基于阈值分解发展起来的一种非线性滤波器，它的优化过程是对正布尔函数不断学习的过程。

The article chiefly elaborates opening up the channel of new product, cost estimating and opening up channel of olw cost and new product etc. It will have reality significance and function for enterprise participate international market competition and increase economic benefit.

主要阐述了新产品的开发途径、成本估算和开发低成本新产品的途径等内容，对企业参与国际、国内市场竞争，提高经济效益具有现实意义和作用。

North Atlantic Ocean element, 20%;

北大西洋间断分布，占20%；

Effects of the Extremes in the North Atlantic Oscillation on East Asia Winter Monsoon

冬季北大西洋涛动极端异常变化与东亚冬季风

Convention on Conduct of Fishing Operations in the North Atlantic

关于在北大西洋进行捕鱼作业的公约

These fish are found in the seas along the North Atlantic coast of america.

这些鱼是在美洲北大西洋沿岸的海里发现的。

Characteristic Analysis of Wind Field and Sea Wave Field in North Atlantic Ocean

北大西洋风场和海浪场特点分析

It lies in the North Atlantic Ocean off the north coast of Europe.

它位于大西洋北部，与欧洲大陆的北海岸隔海相望。

The original research of millennial-scale climate change is carried out in North Atlantic firstly.

关于千年尺度气候变化周期的研究最早起源于北大西洋。

consolidate Britain is trying to consolidate her position in the North Atlantic.

vt.&vi.（使）巩固；（使）加强；（使）合并英国正努力巩固它在北大西洋的地位。

Turkey is a member of NATO, the North Atlantic Treaty Organization.

土耳其是北约中的一员，即北大西洋公约组织。

North Atlantic Relay Communication System

北大西洋通信中转站系统北大西洋中继系统

Small eellike fishes common in shallow waters of the North Atlantic.

北大西洋浅水中常见的似鳗的小鱼。

Important food fish; found in enormous shoals in North Atlantic.

重要的食用鱼；出没于北大西洋众多的浅滩。

The feature of temporal-spacial distribution of North Atlantic Ocean Surface Temperature

北大西洋海表面温度的时空分布特点

Common in north Atlantic coastal waters of the United States.

美国北大西洋沿岸水域常见。

Specifications for submarine cable and pipeline route investigation cable across North Atlantic

GB17502-1998海底电缆管道路由勘察规范横贯大西洋的通讯海底电缆

Coordinating Group on the Composite Observing System for the North Atlantic

北大西洋综合观测系统协调组

A new passenger liner to ply the North Atlantic route.

一艘将在北大西洋航线上定期航行的新客轮。

North Atlantic Free trade

北大西洋自由贸易区