国内外

There have been great interests in the reliability research into ship and offshore structures in shipbuilding cir...

船舶及海洋结构物的可靠性研究，近年来已经受到国内外造船界的高度重视，并且取得了许多有意义的研究成果。

But in recent years, the domestic and international gravity dams that are built recently are more and more few, and the gravity dams that were built in early stage have serious safe problems basically, which decide that the problem of consolidated gravity dams will become a outstanding problem in circle of w...

近年来，国内外新建的重力坝越来越少，而早期所建的重力坝，基本上都存在着严重的安全问题，这就决定着重力坝的加固必将成为世界上水利界一个突出性的问题，从而也就决定了预测重力坝使用寿命的重要性。

This article is divided into three parts:I: It gives the relevant background knowledge, mainly about the study of circulant matrices at home and abroad, the basic concepts, characteristics of circulant matrices, and the basic computing instruments which have been frequently used in matrix theory and matrix calculations.

本文共分三个部分：一：给出相关的预备知识，主要是循环矩阵研究的国内外现状和进展、文中用到的循环矩阵的基本概念、性质以及在矩阵理论和矩阵计算中经常用到基本运算工具。

And the recent development of new highly efficient circular cone Breakers broken expanding the scope of application of materials, broken products granularity small, broken remarkable results.

近来国内外开发的新型高效圆锥破碎机破碎物料应用的范围不断扩大，破碎产品粒度小，破碎效果显著。

Since its inception, the company continued to introduce domestic and foreign advanced production technology and management experience, development and production of a "" brand high-speed steel circular saw blades Saw-based products.

公司自成立以来不断引进国内外先进的生产技术和管理经验，开发生产了以"立田皇"品牌高速钢圆锯片为主的锯类产品。

Since its inception, the company continued development, the introduction of domestic and foreign advanced production technology and management experience, development and production of various models of high-speed steel plate, high-speed steel circular saw blades, saws and other milling products.

公司自成立以来不断开发、引进国内外先进的生产技术和管理经验，开发生产了各种型号的高速钢钢板，高速钢圆锯片，铣刀等锯类产品。

The company also has first-class design tool experts for their best to provide customers diamond tools, carbide circular saw blades and materials for processing, technical advice.

公司同时拥有一流的刀具设计专家，为国内外客户竭诚提供金刚石刀具、硬质合金圆锯片及材料加工的技术咨询。

Finally, a comprehensive analysis is conducted on theory and practice of circular economy home and abroad.

最后对循环经济国内外的发展实践进行了综合分析。

Circumfuse these characteristics, combine with the current actuality, desing the total mining project, it contains pruduction canpacity and times, mine field development system desing and equimpment model and so on. Analysis harm factors and harm degree of Xiangyang coal mine, put forward safety guarantee methods.

围绕这些特点，本文结合国内外矿井发展的现状，对向阳煤矿进行了总体设计，包括矿井的生产力能与服务年限，井田开拓系统优化、水平划分、设备选型等进行了优化设计，并对向阳煤矿矿井危害因素和危害程度进行分析，提出矿井生产作业安全保障措施。

Moreover, a new and feasible means is provided, and a new thinking is exploited for measuring the diameters of inscribed and circumscribed circle of hexagonal prism.

同时对国内外测量六棱柱体内切圆直径和外接圆直径提出了新的切实可行的办法，开拓了新的思路。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。