Being considered as a dominant factor for its failures, the field-induced fatigue of piezoelectric ceramics is a gradual degradation of piezoelectric properties under applied cyclic loading and becomes a hot topic in the world in recent years.
压电陶瓷的场致疲劳是材料性能在外加循环载荷作用下逐步退化的现象,是导致其失效的主要因素,近年来一直是国内外的研究热点。
The experimental research for electric fatigue of ferroelectric ceramic;
铁电陶瓷的电致疲劳实验研究
Influence of joint distribution of wind speed and winddirection on wind-induced fatigue life reliability
风速风向联合分布对结构风致疲劳寿命可靠性的影响
The guyed mast is an extensive used tall and slender structure,which tends to generate wind-induced fatigue rupture that may cause the collapse of the whole guyed mast.
避免桅杆结构构件风致疲劳破坏的发生,保证桅杆结构的安全是已成为新世纪土木工程领域的一个前沿研究热点。
Wind-Induced Fatigue Analysis of Temporary Connection on Girder of Suspension Bridges
悬索桥钢箱梁临时连接件风致疲劳分析
Study on Joint Distribution of Wind Direction and Speed for Wind-Induced Fatigue Analysis
用于结构风致疲劳分析的风速风向联合分布函数研究
Influence of joint distribution of wind speed and winddirection on wind-induced fatigue life reliability
风速风向联合分布对结构风致疲劳寿命可靠性的影响
Wind-induced fatigue analysis of main-shaft in a vertical-axis wind turbine
基于频域分析垂直轴风力发电机组旋转主轴的风致动力疲劳
A willing mind make hard journey easy.
只要兴致好，跋涉不疲劳。
This is the main cause to eyes fatigue,dry and vision falling!
而这正是导致眼疲劳、眼睛干涩、
I worked so hard that I was always tired.
我过去工作非常努力以致总感到疲劳。
On some days, it tended to cause fatigue 6 .
有一段时间，这曾致使他感到疲劳。
STUDY ON WAVE-INDUCED FATIGUE OF DEEP WATER PRODUCTION TTR
深水顶张式生产立管的浪致疲劳研究
Research on wave-loading fatigue of drilling riser in ultra-deep water drilling
超深水钻井系统隔水管波致疲劳研究
These disruptions may lead to insomnia, accumulated fatigue, and ultimately, a fatal breakdown.
可能导致失眠和经常性疲劳，最后甚至导致猝死。
The Control of Fatigue Life of the Guyed Mast Structure Under the Wind Load
随机风振下桅杆结构的疲劳寿命控制
Fatigue Analysis on Support Structures for Offshore Wind Turbines
海上风力发电机支撑结构的疲劳分析
The analysis of fatigue for torsion shafts in the gearbox of wind turbine
风力发电机齿轮箱扭力轴的疲劳分析
FATIGUE CHARACTERISTIC ANALYSIS OF THE OFFSHORE WIND TURBINE TOWER UNDER COMBINED WIND AND WAVE
风波联合作用下的风力机塔架疲劳特性分析
a tiredness of the eyes caused by prolonged close work by a person with an uncorrected vision problem.
由于长时间的紧张工作而导致的眼睛疲劳。
It might have been due to his mental state, to depression and fatigue.
大概是由于精神状态，由于忧郁和疲劳所致。
Probing into Factors Leading to Air Servicemen s Fatigue and the Method of Getting Restored through Doing sports;
空勤人员疲劳致因及体育锻炼恢复方法探讨