structural instability

This could occur as a result of some structural instability or looseness in the shell.

当外壳产生某些结构不稳定或松动时，就能产生这种情况。

Also, spin rate coupling with structural damping ratio and other structural parameters have a significant influence in aeroelastic dynamic instability for spinning rocket.

旋转速率与结构阻尼及其他结构参数对气动弹性动态稳定性影响也比较显著。

Relationship between the thermal instability of a-Si cell and that of structural defects are analysed.

分析了电池热不稳定性机制及其克服办法。

The conclusion that shaped the history of sound words have the following characteristics: of the formation of retaking, Sound symbol pictogram frequent replacement, structural instability of the layout, structure, complexity level, form tenaciously adhere to sound is the ideographic character of the performance.

最后得出形声字发展史有以下特点：构形方式反复争夺性、声符形符的替换频繁、结构布局的不稳定性、结构层次复杂化、形声化是汉字顽强坚持表意性的表现。

Studies on the relation between the structural defects and thermal instability of poly ( vinyl chloride) 2. the relation between the contents of different structural defects and dehydrochlorination rates of PVC

聚氯乙烯结构缺陷和热不稳定性之间关系的研究2.各种结构缺陷含量和热脱氯化氢速率之间的关系

And the results of the four field tests on the structural damping and natural frequencies of the tainter gates are introduced, which are necessary for judging the dynamic instability of the tainter gate and show that the structural damping of the barrage tainter gates is very small.

给出了判断动力失稳所必须的弧形闸门结构阻尼比的原型观测结果，它表明表孔弧形闸门的结构阻尼比是很小的。

The softening of the GPS for the amorphous Invar alloys predicates that the forces between atomics decrease, so these amorphous alloys appear a characteristic of structural instability.

非晶态因瓦合金的动力学异常特性反映出这些合金短程有序结构中原子间相互作用力的减弱并且具有结构松散的特性。

With the development of material and construction technology, by using new structural design method the aerodynamic instability of structures could be avoided.

伴随着材料和施工工艺的发展，新的桥梁结构设计方法已经基本可以避免结构气动失稳的发生。