But was there one major wave of migration across the Bering Strait into the Americas, or several?
但是有没有一次或几次大移民浪潮是穿过白令海峡到达美洲的呢？
First major wave of expansion. Product and service offering are extended, internationalization group is promoted.
第一波扩展浪潮。扩大了生产及服务部门，形成了国际化集团。
In the same sea state, the time process and the space distribution along major wave direction of the sea surface wave are apparently different.
同一海况下，海面波动的时间过程和沿主波向的空间分布是明显不同的。
Investors are recognizing social networking as the next major wave of Internet companies, he says. he also notes that one no longer rings the NYSE bell, one pushes a button that makes a bell sound.
他表示，投资者正把社交网络公司看作新一波重量级弄潮儿他还提到，现在纽交所开市钟不用真的去“敲响”了，而是按下一个按钮让开市钟自动发声。
It was a major "Ah ha!" moment, and a wave of other manufacturers jumped on board to capitalize on new TV shows and movies.
这是一个重大的“精彩”时刻，另一批制造商加入了利用新电视节目和电影来赚钱的行列中。
This topography was a major ingredient in the formation of the tsunami. (Or, more informally, megatsunami, a word used to describe a wave in excess of 100 meters, or 328 feet).
这种地形是形成海啸（或者更通俗一点，大海啸，用于形容超过100米或328英尺的波浪）的主要因素。
Friday's fictional scenario starts with a major earthquake off the coast of Huntington Beach, California, generating a tidal wave and an oil spill.
周五的演习假设加州亨廷顿海滩发生大地震，引发海啸与原油泄漏。
Similar impacts were seen during a major heat wave in 1972, which decimated farmers in the former Soviet Union, helping to push grain prices to worryingly high levels.
同样影响可见在1972年的热浪中，前苏联十分之一的农民帮助把粮食价格推上了峰巅。
In this simulating procedure the measured value of pressure wave from the inlet of injector is used as major input data for prediction of performance.
本模拟过程中利用喷油器进口处的压力波实测值作为性能预测的主要输入数据。
When using CBL-VDL logging information to carry out cement bond evaluation, formation wave energy is major sign to reflect the second interface cement degree.
在利用CB L-VDL测井资料进行水泥胶结评价时，地层波能量是反映第二界面水泥胶结好坏的主要标志。
Major work is described as follows: (1) According to the structure of radial artery in the body and theories of the pulse Diagnosis of Chinese medicine, a new type of pulse wave sensor is designed.
主要工作内容如下：(1)根据人体桡动脉的结构和中医脉诊理论，设计了一套新型三触点脉搏波传感器。
The major purpose of this thesis is to do some research work on calculation of fatigue damage of ship hull structures with combined bending stress under nonlinear wave loads.
本文的主要目的是研究非线性波浪载荷作用下多种应力成份组合的船体结构疲劳损伤计算。
The major methods of measuring Q-value by the natural earthquakes are the ones of using the data of free vibration of earth, body wave, surface wave and coda.
利用天然地震波测量Q值的主要方法有：利用地球自由振荡资料、利用体波、利用面波和利用尾波来研究Q值。
As the currency of the underlying blockchain technology is recognized by major financial firms, the wave of financial technology also gradually surrounded the whole digital currency industry.
随着比特币的底层区块链技术被各大金融公司所认可，金融科技的浪潮逐也渐包围了整个数字货币行业。
From the images of Love wave, we can know that there are differences of velocity among the major tectonic units in this area.
从勒夫波的成像结果我们可以看出各主要构造单元的速度差异。
Electromagnetic fields and wave is an important basic technical course for Electronic information major.
电磁场与电磁波课程是电子信息类相关专业一门重要的专业基础课。
The results indicated that it has a remarkable influence on ballistic effectiveness. Among properties, plastics and wave resistance are two major effect factors.
结果表明，背板材料的性能对其抗弹效益存在着较大的影响，其中塑性和波阻抗是两个主要影响因素。
Time-depended quantum wave packet method has became a major method of studying molecular reaction dynamics.
量子含时波包方法现在已经成为研究分子反应动力学的一个主要的理论方法。
Therefore evaluation of dynamic response of seabed under wave loading is of major importance and is discussed in this thesis.
因此，波浪荷载作用下海床动力反应的分析与计算具有重要意义，本文对此进行了研究。
"If it is true that the pseudogap is a charge-density wave, that would be a major, major outcome because people have been looking for this for the past decade," he said.
“如果赝隙真的是电荷密度波，那将是一个非常非常重大的发现。因为人们在过去几十年里都在寻求这个问题的答案。”他说。
South Korea is experiencing a third wave of suspected cyber-attacks - co-ordinated attempts to paralyse a number of major websites.
韩国正经受第三轮可疑的网络攻击，该攻击使几大主要网站关闭。
The most major advantage of the method lies in the fact that only the interference wave with single frequency can be suppressed, and the loss of useful signal is very limited.
本方法的最大优点是仅对单频干扰波进行有效的压制，对有效波的损失很小。
The major technical effect of the presence of the random phase screen in the ultrasonic beam path is the disturbing of the coherence of the wave traversing the screen.
配置在超声波束通路中的随机相位屏的主要技术作用中断通过该屏的声波的干涉。
As a major interference source to the pressure fuze of the underwater ordnance, the research of chaos character to the wave hydrodynamic pressure is important.
海浪水压场作为水中兵器水压引信最严重的干扰源，对其混沌特性进行研究具有极为重要的意义。
The sky wave is the major transmitting way of short-wave communication.
因此短波通信的主要传播路径是天波。
The results showed that among the introduced dynamical processes the wave-CISK plays a major role in reducing phase speed of the wave to be closer to the observed tropical ISO.
其结果表明．波动-CISK在减慢激发波的位相速度以接近观测到的热带ISO的移速过程中起主要作用；
At present, the deep shear wave source technique is still in juvenility, major multiwave technical studies are directed against transformed waves.
目前深层横波震源技术尚不成熟，大量的多波技术研究仍然是针对转换波。
At present, the deep shear wave source technique is still in juvenility, major multiwave technical studies are directed against transformed waves.
目前深层横波震源技术尚不成熟，大量的多波技术研究仍然是针对转换波。
应用推荐