In this paper a mixed expansion expression for dynamic flexibility of continuous systems is derived.
提出一种连续系统动柔度的混合展开表达式，它的前面几项是模态展开，其余各项是幂级数展开。
In this paper a mixed expansion expression for dynamic flexibility of continuous systems is derived. The frist few terms of the expression are a sum of modes, the other terms are power series.
提出一种连续系统动柔度的混合展开表达式，它的前面几项是模态展开，其余各项是幂级数展开。
Large volume waterproof concrete with C30 strength grade and seepage resistance P>25 can be mixed by adding expansion agent and reduce-water agent.
经试验表明，在砼中复合掺加膨胀剂和高效减水剂，可制得强度等级为C30，抗渗等级P＞25的大体积防水砼。
In this paper, the effects of calcination temperature, holding time and content of dolomite on the strength and expansion rate of cement mixed with calcined dolomite are investigated.
研究了白云石的煅烧温度、保温时间以及掺量等对水泥物理性能和膨胀行为的影响规律。
Objective:To evaluate the maxillary expansion effects of posterior crossbite patients treated with elastic wrapping bite guard and screw expansion mechanic in the mixed dentition.
目的：探讨弹性包绕式垫加螺旋扩弓器矫治替牙期后牙反的适用性及治疗前后的牙颌结构变化。
With the expansion of the application field of clustering analysis, more and more high-dimensional and mixed-type data need to be processed.
随着聚类分析的应用领域日益扩展，越来越多高维的、混合类型属性数据需要处理。
A mixed scheme based on fixed mode expansion and power series expansion is suggested to simplify the calculation of the condensed dynamic rigidity of a structure.
本文提出一种基于模态展开和幂级数展开的混合方案，用于简化结构凝聚动刚度的计算。
As continuous expansion of construction scale and the encourage of national policy, the production of ready-mixed concrete has been increased at the rate of 12%-15% every year.
由于建设规模持续扩大以及国家政策的鼓励，使得城市商品混凝土产量每年以12% - 15%的幅度增长。
Credit expansion analysed by economic use was mixed in 2001.
按经济用途分析，2001年各类贷款的增长不一。
Credit expansion analysed by economic use was mixed in 2001.
按经济用途分析，2001年各类贷款的增长不一。
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