同时提出现场软岩巷道底板超声波探测中应注意几个问题。
Meanwhile, several problems about ultrasonic detection of the tunnel floor with soft rock are given, which must be paid attention to.
医生找到肾结石后，就将超声波探测器移到正对着肾结石的部位。
After the doctors find the stone, the ultrasound probe is placed directly against it.
在应用断裂力学时，采用了观测和超声波探测方法确定初始裂纹尺寸。
The initial crack size was assumed through the visual inspection and the ultrasonic detection method.
根据超声波探测理论，讨论了多脉冲循环法用作非接触式流量检测的原理。
According to the theory of ultrasonic inspection, the principle of flow inspection using multi pulse circulation method was discussed.
公司拥有红外线成像仪、超声波探测器等先进的仪器设备，能及时发现消防隐患。
We have Infrared Image and Ultrasonic detection machine, which promised the danger in time.
利用超声波探测技术，提出了一套基于超声波测速的汽车防追—尾告警系统方案；
An new scheme for automobile's rear-end anti-collision is proposed by ultrasonic approach;
用超声波探测器可以定位鱼群，渔民们准备一种特别的装置：看起来象连着扶手的陀螺。
With help of a sonic depth-finder a proper shoal gets detected and the fishermen prepare special devices which look something like spinnings and attached to the handrails.
在医疗部分有两个主要问题：首先尽管超声波探测大脑是可能的，但是超声波无法穿透头骨。
There are two main problems with the medical care presented. First, while it is possible to ultrasound the brain, ultrasound waves cannot penetrate the skull.
首先利用超声波探测法对节理裂隙岩体进行了声波测试，对不同的节理裂隙岩体进行了质量评估。
Utilizing the technique of ultrasonic detection on jointed and fractured rock masses, the author firstly measures the elastic wave velocity, then appraises the quality of different masses.
首先利用超声波探测法对节理裂隙岩体进行了声波测试，对不同的节理裂隙岩体进行了质量评估。
The stability of unsupported tunnels in jointed rock masses at different depths is analyzed using the distinct element method.
利用超声波探测仪探测回采巷道的松动范围，掌握巷道的变形破坏规律，以此指导巷道的锚杆支护设计。
Using the ultrasonic wave detector to probe the flexible range of the extraction tunnel, grasping the rule of deformed tunnel directs the supporting design of the tunnel bolt.
它还利用超声波来探测物体的大小和形状。
Another thing it uses ultrasound to detect is the size and shape of objects.
它们可以探测到超声波；这意味着当蝙蝠靠近，飞蛾可以察觉到它的存在。
They can detect ultrasound; this means that when a bat approaches, the moth can detect the bat's presence.
利用超声波检测液位、料位、厚度和探测水下地形是一种准确、经济的方法。
It is an accurate and economic way to use ultrasonic to measure liquid level, material level and thickness and topography under water.
介绍探测复合材料层板基体裂纹的三种实验技术：声波发射探测，超声波c扫描和复制带记录。
Three experimental techniques for detecting matrix cracking evolution in composite laminates are investigated: acoustic emission detection, ultrasonic wave C-scan, and replica tape record.
然后介绍了基于超声波测距的孔内空区形态探测系统的设计。
Then, the design of the detection system in borehole of the mined-out area based on ultrasonic distance measurement was introduced.
研制以超声波为载体的电路系统，探测眼部血流多普勒信号，并进行频谱分析。
A set of circuits for detecting ophthalmic blood flow Doppler signals was developed and spectral analysis was realized as well.
介绍了一种超声波围岩裂隙探测仪，可用于探测煤矿井下围岩松动范围及裂隙情况。
An ultrasonic detector for wall rock crack is introduced which is able to detect coal mine underground wall rock looseness range and cracks.
文中阐述了利用超声波测试技术探测巷道围岩松动圈的工作原理与方法。
The working principle and method of using the ultrasonic technology to measure the loose circle of the roadway surrounding rock are expounded.
这些包括照相机，超声波，红外线和热传感器，一个测距仪传感器，温度传感器和地面探测器。
These include a camera, ultrasound, infra-red and thermal sensors, a range-finder sensor, a temperature sensor and ground detectors.
本文首先从超声波的基本性质入手，对超声波的各项传播特性进行了全面深入的研究，构建了超声波生命探测数理模型。
Firstly, the paper studied the basic transmit properties of ultrasonic, and then a mathematical model of ultrasonic life detector was founded.
根据模极大值在特征提取中的应用，本文提出了一种基于模极大值的超声波回波探测沉积物分类方法。
A classification method was proposed based on the application of modulus maxima in feature extraction. Different echo is gained to detect different sediment.
本文的主要工作：1．设计一种机械装置，完成被探测机车车轮的缓冲、转动等功能，并固定超声波探头；
The main tasks:1. The design of a mechanical device to detect locomotive wheels 'buffer, rotation and other functions, and fix the ultrasonic probe;
激光巨脉冲在金属铝块上产生超声波，由光学零差探测得到超声引起的后表面位移的波形。
A laser huge pulse irradiates on aluminium plates to cause ultrasonic waves. The waveform of the rear surface displacement produced by ultrasounds is detected with optical homodyne.
激光巨脉冲在金属铝块上产生超声波，由光学零差探测得到超声引起的后表面位移的波形。
A laser huge pulse irradiates on aluminium plates to cause ultrasonic waves. The waveform of the rear surface displacement produced by ultrasounds is detected with optical homodyne.
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