There are four key problems now confronting the iron and steel industry which must be solved.
当前，钢铁工业重点要解决四个问题。
There are four key areas in your organization that can benefit from working in an Enterprise Modernization Sandbox.
在您的公司内有四个关键的领域，它们可以从在EnterpriseModernizationSandbox中工作受益。
There are four key industrial economic sectors: the primary sector, largely raw material extraction industries such as mining and farming;
有四个主要工业经济部门：初级部门，主要原材料的开采，如采矿业和农业；第二产业，涉及炼油，建筑，制造；
There are four key issues in the system, that is communication carriers, source coding, designation of virtual keyboard, and the single-trial estimation of its message carriers.
在这个系统中，通信载体、信源编码、虚拟键盘的设计和脑-机接口信号的单次提取是四个最核心的问题。
There are four key points: the arrangement of point of view, there is narrative circular structure, interveined and leaping narrative space and time, the choice of narrative images.
主要从四个方面展开：叙事视角的安排，有故事性的圆形结构，交错而跳跃的叙事时空，叙事意象的选择。
There are four key points of plate spiral stair design, and they are model building, inner force calculation, overall stability analysis and joints design between the stair and the main structure.
对板式钢结构旋转楼梯的有限元计算进行了全面的分析，并对其与主体结构的连接节点进行了设计。
If certain key suppliers are out of action for three or four months, there may be a big impact, he said.
尚志筱冢说，就目前现有的供货来看，我们认为维持一段时间没有问题；但如果某些关键供应商停产三四个月，可能会有较大影响。
The book has a number of Topics in each module. There are four sections in each Topic: Reading, Exercises, Key Terms and Substitutions.
本书每个模块都有多个主题。每个主题都有四个章节：阅读、练习、关键词和替代练习。
The book has a number of Topics in each module. There are four sections in each Topic: Reading, Exercises, Key Terms and Substitutions.
本书每个模块都有多个主题。每个主题都有四个章节：阅读、练习、关键词和替代练习。
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