In such conditions a shear head wave is generated, so that standard techniques based on monopole transducers can be used to measure formation shear velocity.
在这种情况下会产生横波首波，因此可以使用基于单极子传感器的标准技术测量地层横波。
The greater the amplitude change of head wave of transverse velocity is, the severer the damage is, the later the arriving time of the first wave hollow and the longer the damaged element will be.
当脉冲作用点在受损单元的起始位置时，脉冲作用点横向速度波首波波幅变化越大，损伤越大，脉冲作用点横向速度波的第一个波谷到达时间越晚，损伤单元越长。
First, we analyze the head wave PN, it shows that it's good in linearity relation, and the value of PN velocity counted out is same to the crust model using in the list of pass time of HuaNan seism.
首先对其首波pn进行分析，结果表明其线性关系较好，计算出的速度值与华南地区近震走时表中所用的地壳模型中的速度值一致。
Caterpillars move by a wave that starts at the back end of their body and sweeps through each segment until it reaches the head, pushing it forward.
毛毛虫移动时的每一波都是从身体的后段开始，然后这个波穿过身体的每一部分，一直到达头部，进而将整个身体向前移动。
But with the tsunamis that head out to sea, some of the energy dissipates as the wave spreads outward across open ocean, like a ripple from a rock thrown into a pond.
但当海啸向海域进发，随着波浪向远洋扩散，能量也会逐渐消耗，这跟将一颗石块扔进池塘所引发的波纹是一样的道理。
In theory, you'd see a lot more brain-wave peaks per second as they pack this message into your head.
理论上，每秒钟你应该会看到更多的脑电波峰值点。
I looked back at the boy. His head popped up, then a wave crashed over him and he disappeared for a moment; I had to intervene.
我扭头看看那小男孩。他的头刚露出水面，然后一个浪头打过来，好一阵不见踪影——我不得不做点什么了。
An optimization method is proposed to improve the reliability of getting the traveling wave head, smoothing both beginning and ending data.
并进一步提出了通过平滑处理故障首尾数据的优化方法提高行波波头提取的可靠性。
To this day, we wave to each other every time we head off in different directions.
直到今天，每次当我们前往不同的方向，我们总会相互挥手。
Objective To study the effects of extracorporeal shock wave therapy on avascular necrosis of the femoral head.
目的研究体外冲击波治疗对家兔股骨头修复的作用。
Results: Q wave amplitude and Q wave numbers recorded in Head-Chest leads were lower than those recorded by Routine lead ECG.
结果：头胸导联所记录到的Q波数及Q波幅度均显著低于常规导联心电图。
Input preloading, wave head, welding time, the pressure, welding current parameters.
输入预压、波头、焊接时间、保压、焊接电流等参数。
Head ct or magnetic resonance imaging revealed brain dysplasia, encephalomalacia and abnormal white matter signal, and electroencephalography displayed slow wave or epileptiform activity.
头颅CT或磁共振成像显示脑发育不良、脑软化、脑白质异常信号，脑电图显示慢波或样活动。
The make-up of the peak value of impact loading being analysed, the theories of pressure wave and granular flow are applied to establish a calculating method for estimating the flow head impact force.
分析了冲击荷载峰值的构成情况，运用压力波理论结合颗粒流的应力关系建立了龙头冲击力的计算办法，并对概化后的龙头计算其在冲击坝体时的作用力垂向分布。
As you master the drill, you main focus is to have you head move within the body wave, move it forward as you breathe, and let it lead your body into the water without pause.
当你掌握了这个练习以后，你的焦点应该集中在你的头的移动是否在身体波浪中，呼吸时向前，让头引领你的身体没有停顿的进入水中。
The utility model relates to a signalling device and alarming device class, particularly a multi-sensitive head detector of a continuous wave.
本实用新型涉及发信号装置及报警装置类，特别涉及一种连续波多敏感头探测装置。
He seemed to have a clearer sense than me. I could only wave my head blushingly.
他问的都要比我知道的明白得多，我只能羞愧地摇摇头。
Thus, by controlling the pressure wave form, the desired trajectory of the grinding head can be obtained.
因而控制压力的波形即可得到所需要的研磨头的运动轨迹。
Objective:To investigate the effect and significance of decimeter wave which prevent and treat the ischemic necrosis of femoral head.
目的：探讨分米波在预防和治疗股骨头缺血性坏死中的作用及意义。
It was touching when you saw Yao's head towering over all the regular passengers walking out of the tunnel and when he saw his mom, he raised his hand to wave in that stoic Yao way.
等他走出机场大厅时你看到姚明的脑袋比所有的旅客都高一截，这段非常感人。 姚明看到他妈妈的时候，他用他独有的克制的方式挥了挥手。
Conclusion: It is suggested that the decimeter wave may of ischemic necrosis of femoral head.
结论：分米波可减轻股骨头缺血性坏死的程度和范围。
However chances are they are busy and/or are ignoring you. It's acceptable to raise your hand to head level, just don't go overboard by raising it way above your head and wave it about.
然后，如果他们很忙碌，忽略了你，你可以把手举到与头齐平的地方，朝他招招手，不过千万不要越过头部。
When you move through water you create a 'bow wave' with your head and body, just like a boat does. The shape of the bow wave means the water level drops along the side of the swimmer's face.
当你随着你的头部和身体在水中移动的时候，你会随着产生一股“涡流”，类似小船产生的一样。涡流的形状表示水位沿着游泳者的面部两侧下降。
This paper presents a full wave analysis of electromagnetic (EM)field distribution inside a dielectric prolate spheroidal human head model.
文中给出一长椭球介质人头模型中的电磁场全波解。
The drivability study of piling requires modeling of the hammer impact to calculate the input force wave at the pile head.
桩的可打性研究需要模拟桩的锤击，计算出桩顶的应力波。
Interaural time differences: When a sound wave hits a person's head, it takes a different amount of time to reach the listener's left and right ears.
两耳时间差异：当一个声波撞击一个人的头，需要不同的时间到达听者的左和右耳朵。
This method enhanced the measuring accuracy by using the methods of wave head counting and zero-cross detection, and it implemented 3-d positioning with triangle square wave.
该定位系统采用波头计数与零交叉点检测的方法来提高超声测距精度，并通过三角形方法来实现三维定位。
This method enhanced the measuring accuracy by using the methods of wave head counting and zero-cross detection, and it implemented 3-d positioning with triangle square wave.
该定位系统采用波头计数与零交叉点检测的方法来提高超声测距精度，并通过三角形方法来实现三维定位。
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