介绍数控曲轴旋转感应淬火机床控制系统的软、硬件组成和系统设计中主要难点问题的解决方法。
The paper introduces the software and hardware of control system of NC rotary inductance quenching machine for crankshaft and solving process for main problems in generating gear with system design.
文章提炼了预算管理中的四个主要难点问题进行分析，包括预算编制起点的选择，预算差异分析，预算松弛和预算考评，并提出相应的对策及建议。
The paper analyzes the 4 main difficulties of CBM, i. e. , the selection of jumping-off point, difference analysis, slack and evaluation, and puts forward the relevant countermeasures and suggestions.
本文概述语言耗损研究的历史与现状，包括语言耗损研究的主要内容和意义，以及目前存在的若干问题和难点。
This article presents a review of language attrition research, including its main themes and significance, problems and difficulties as well as its early developments and present situation.
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