Boeing also confirms that ground vibration testing were concluded last week on the second test aircraft, ZA002.
波音表示，地面振动测试已经于上周在第二架测试飞机-ZA002上完成。
Following the fuel testing the aircraft is undergoing structural coupling and ground vibration testing, as well as completing hydraulic testing of the doors and landing gear.
此次燃料测试后，飞机将进行结构耦合和地面振动测试，并将完成门和起落架的水压测试。
The system underwent extensive shock and vibration testing to insure reliability.
该系统进行了广泛的冲击和振动测试，以确保可靠性。
This method will be a good reference to vibration testing on other rotating machines in the same types.
该方法对其他同样类型旋转机械的振动测试具有一定的参考价值。
Simulated tests of vibration damage in apple transportation were performed by using vibration testing machines.
利用振动试验台，进行了苹果运输振动损伤的模拟试验。
Familiar with fatigue theory and vibration testing technology.
熟悉疲劳原理及震动试验知识。
The principle and characteristics of the force limited in satellite structure vibration testing were introduced in this paper.
介绍了卫星结构振动试验中力控技术的原理、特点，以及国外力控技术的研究和应用。
LTHR vibration testing is generally implemented using by the electro-hydraulic shaker with high load-bearing and pushing force.
一般而言，长时间历程复现试验大多需要能提供大承载、大推力的电液振动台。
The harmonic responses and forced vibration are analyzed and the results are verified by the system's torsional vibration testing.
系统谐响应分析和强迫振动分析结果通过传动系统扭振实验得到了验证。
The vibration testing method on the early crack flaw detection was discussed, but it couldn't give the location and size of the crack flaw.
讨论了振动筛下横梁裂纹的振动检测方法，但尚无法确定裂纹的位置和大小。
The introduction of the structure of non-contact vibration sensor improved the durability of the instrument, realizing the two-dimensional vibration testing.
该测震装置引入无触点振动传感器的结构以提高装置的耐用性，实现了二维振动的检测。
This article briefly discusses the basic principle and method of machine condition monitoring, preventive maintenance and vibration diagnosis based on the vibration testing and analysis.
对以振动测试和分析为基础的机器状态监测、预防性维修及振动诊断的基本原理和方法作了简要论述。
The main contents in the dissertation are as follows: Through study of controlling blower's noise and vibration, it's important to select an effective noise and vibration testing method.
本文主要研究内容：在对风机进行噪声与振动控制的研究中，需要有效的噪声振动测试手段。
The damage diagnosis method based on vibration testing can be further classified as a direct system identification method, a damage index method and a finite element model modification method.
其中基于振动测试的损伤诊断法可进一步分为直接的系统识别方法、损伤指标法和有限元模型修正法。
The signal of instant vibration testing for soil compactness is analyzed both in time domain and frequency domain. Some feature parameters reflecting the characteristics of the signal are extracted.
从时间域和频率域两个角度对土密实度瞬态振动测试信号进行了分析，提取了信号的特征参量。
"Slosh and Vibration testing system for airplaner's sub-tank"is one of the key facilities in environmental testing.
“飞机副油箱晃振试验设备”是飞机副油箱环境试验的关键设备之一。
"Slosh and Vibration testing system for airplaner's sub-tank"is one of the key facilities in environmental testing.
“飞机副油箱晃振试验设备”是飞机副油箱环境试验的关键设备之一。
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