The article mainly introduces seal principium and the relation of seal invalidation and seal gap.

Software invalidation has become the main cause of the system paralyse.

软件失效已成为系统瘫痪的主要原因.

The making of false statements could result in the invalidation of the contract.

提供虚假资料可能导致合同失效.

Inverter-driven increases motors invalidation probability and axial current.

变频驱动增加了电机的失效率和轴电流.

This paper briefly introduces sonic latest technology and equipments dealing with invalidation of electronic primary device.

摘要本文扼要地介绍了电子元器件失效分析所采用的一些最新技术和仪器设备.

Analyze the invalidation cause of returned parts.

分析退回物料的失效原因.

The invalidation of the harmonic gear drive is mostly the fatigue rupture of the flex spline.

谐波齿轮传动的主要失效形式是柔轮的疲劳断裂,小长径比的柔轮的强度更为薄弱.

Structure invalidation is almost non-linearnon-linear and material non-linear which brings the difficulty to the problem.

结构破坏几乎总是非线性的 ---- 几何非线性或者材料非线性,而且两种形式的非线性还可能同时发生.

The tribological problem was discussed for the mould design by invalidation analysis of mould.

通过模具的失效分析,讨论了模具设计中的摩擦学问题.

The invalidity a labor contract shall confirmed a labor dispute arbitration committee or a people's court.

劳动合同的无效,由劳动争议仲裁委员会或者人民法院确认.

Flaws in the goods , Invalidity of impunity clauses.

产品质量存瑕疵免责条款判无效.

I live on an invalidity pension.

我靠伤残养老金过活。

Advance knowledge of anticipated weather conditions is invaluable for planning.

对天气情况进行预先了解,对任务设计来说是极为重要的.

A book that he considered valueless proved invaluable to the library.

他认为毫无价值的书对图书馆来说却非常贵重.

The book will be invaluable for students in higher education.

这本书对于高校学生将有重大价值。

When properly maintained , however, they can an invaluable guide to the overall program.

但是适当的维护, 可以成为整个程序无价的指南.

Their advice was invaluable to me at that stage of my work.

他们的建议对我那一阶段的工作非常宝贵。

A dictionary is an invaluable aid in learning a new language.

在学习一种语言时,词典是非常有用的工具.

Accurate, legible notes are invaluable aids to the student who is enrolled in a lecture course.

学生听课时, 如能记下正确而笔迹清楚的笔记,那将非常有用.

The poetical area appears now invaluable to the human soul.

诗意的什刹海此刻在人们的心灵中显得异常珍贵.

A person's dignity is as invaluable as his or her life.

有些东西贵如生命,譬如尊严.