In both cases, these cycles can result from new requirements, correction of initial mistakes, various types of structural improvements, and so on.
这些周期在两种情况下都源于新需求、初始错误的纠正、各种结构化改进，等等。
According to analyze the structure of survival rocket and identify its vulnerable spots, necessary structural improvements are put on overall lock and the hermeticity of igniter tube.
通过对火箭包的结构进行分析，确定薄弱环节，对整体防松和点火管密封性进行了必要的结构改进。
Improvements are introduced containing: material selection, structural design, manufacturing process and layout of supporting points of plane plate.
文中对平板材料的选择，结构设计，制造工艺和支承方法的改进进行了论述。
Organize material quality meeting with supplier, FE-NL or internally regularly or irregularly. Drive and follow-up on structural quality improvements at supplier.
定期不或不定期的内部或与供应商，FE - NL的供应商材料质量会议，推动和追踪供应商有效的改进措施。推动和跟进供应商结构性的质量改进。
Keeping this in mind, the paper advances some ideas concerning structural design improvements of membrane type water wall grid plates; which may represent a new trend in design.
该文针对上述问题提出了改进膜式水冷壁布风板结构的设计思路，表明了一种新的设计动向。
Some improvements were presented by analyzing and demonstrating for the structural design deficiency of the bleed valve of a heavy duty gas turbine bleed system.
针对某重型燃气轮机放气系统放气活门在结构设计上存在的问题，经过分析和论证，提出了改进方案，通过计算验证了该方案可以实施。
Based on the above analysis, we conducted a top-down improvements of the Toshiba structural model.
基于以上分析，我们对东芝模型进行了自上而下的结构改进。
As for the launch platform, improvements were made to its structural design.
至于发射平台，从结构设计改进。
Some improvements in previous computation models of blade stall flutter in axial-flow compressors have been made on both aerodynamics and structural dynamics so as to make the models more practical.
本文对于现有的叶片失速颤振计算模型进行了一些改进，以期使其更接近于真实物理图画。
I also see that the structural heart disease field as seeing great improvements.
我还看到，结构性心脏病领域有很大的进步。
The structural principle of PT pump series imported from the US in the late 1980s is introduced in this paper, and the improvements made in the pump is described.
本文介绍了80年代后期从美国引进的PT系列泵的结构原理，并对PT泵的改进部分做了叙述。
The structural principle of PT pump series imported from the US in the late 1980s is introduced in this paper, and the improvements made in the pump is described.
本文介绍了80年代后期从美国引进的PT系列泵的结构原理，并对PT泵的改进部分做了叙述。
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