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Therefore the dispersion curves obtained in the field are primarily consisted of the first mode. For a heterogeneous elastic solid consisting of three homogeneous layers whose interlayer has low velocity, the phase velocity V〓 of the first mode will also close up to the Rayleigh wave velocity of the bottom layer when frequency f→OHz, but V〓 of the first mode will close up to the shear wave velocity of the interlayer when f→∞, and there is a cut-off frequency at high frequency region for the first mode and V〓 close up to the compressional velocity of interlayer when interlayer is liquid.

当三层固体介质中存在软夹层时，若f→OHz，则其基阶模式的相速度V〓→V〓（V〓为最底层介质的瑞利波速度）；若f→∞，其基阶模式V〓→V〓（V〓为中间层介质的横波速度）；若三层介质中存在液体夹层，当f→OHz时，基阶模式V〓→V〓，而基阶模式在高频段存在一个截止频率，截止频率处的瑞利波速度V〓→V〓；由此可判定，野外实测的相速度频散曲线不仅有基阶导波模式，同时还应有高阶导波模式波的存在，接收信号中存在模式间的跳跃，因此频散曲线会产生"之"字形现象。

Can know from Figure 1, the growth media from a disadvantaged position the media, the strategy can go no more than two paths, one from the quadrant III Quadrant IV as the first arrival of the first I quadrant, that is, to raise the audience to reach, and then to raise the audience loyalty achieved; the second from the first quadrant III arrived by the first article I Quadrant II Quadrant, which is to raise the audience loyalty, and then raise the audience to reach to achieve.

由图1 可以知道，从一个弱势媒体成长为强势媒体，可以走的策略路径无非两条，其一由第III象限经第IV象限到达第I象限，即先提高观众到达，再提高观众忠诚来实现；其二由第III象限经第II象限到达第I象限，即先提高观众忠诚，再提高观众到达来实现。

The idea of the company is :"Quality first,Credit first,Customer first,First-rate service".

我公司的理念是："质量第一、信誉第一、用户至上、优质服务"。

With first-rate talent, first-class equipment, first-class management, to provide our clients with first-class products.

公司凭借一流的人才、一流的设备、一流的管理，为广大客户提供一流产品。

We flattery: customer first, quality first, service first, reputation first operating purposes.

我们奉承：客户第一、质量第一、服务第一、信誉第一的经营宗旨。

More specifically, the invention relates to an antenna (1) comprising: first (2) and second (3) linear sub-antennas which are equipped with sensors (21-2M, 31-3N) forming first and second line segments and generating a basic signal, the angle between the respective directional vectors of the first and second tangents to the midpoint respectively of the first and second line segments being between 30 DEG and 150 DEG ; an antenna processing device (4, 5) forming combined signals; a signal-processing device (6, 7) generating combined useful signals; a device (8) for calculating the correlation coefficients (Cij between the combined useful signals; and a device (8) for generating a detection signal (Rij when a correlation coefficient exceeds a threshold.

更具体地，本发明涉及一种天线(1)，包括：带有形成第一和第二线段并产生基本信号的传感器(21-2M，31-3N)的第一(2)和第二(3)线性子天线，第一和第二线段各自中点的第一和第二切线的对应方向矢量之间的夹角在30°和150°之间；形成组合信号的天线处理装置(4，5)；产生有用组合信号的信号处理装置(6，7)；计算有用组合信号之间的相关系数(Cij的装置(8)；以及当某相关系数超过阈值时产生检测信号(Rij的装置(8)。

Our company got the believe of "CUSTOMER FIRST,HARD WORKING",always take the principle of "QUALITY FIRST,CUSTOMER FIRST,HONESTY FIRST",we are trying our best to give good service for all our customers.

本公司秉承"顾客至上，锐意进取"的经营理念，坚持"质量第一、客户第一、信誉第一"的原则为广大客户提供优质的服务。

Customer first, quality first, service first, integrity first as the guide line !

上海坚睿以"客户第一、质量第一、服务第一、诚信第一"为准则！

A large number have emerged in China's modern history play an important role in the figures, such as the first Chinese American scholars, educators famous Yung Wing, the Kingdom of Hawaii in the Qing Dynasty, the first business Dong, Consul General Chen, South China's first Marxist disseminator Yang Pao-an China's first world champion Rong Guotuan, Su Manshu writer, the famous opera house screenwriter Tong Tik-sang, painter version of the Paleoproterozoic, and so on.

涌现出一大批在中国近代史上扮演重要角色的人物，如中国第一个留美学者、著名教育家容闳，清朝驻夏威夷王国第一任商董、领事陈芳，华南地区第一位马克思主义传播者杨匏安，中国第一个世界冠军容国团，文学家苏曼殊，著名粤剧编剧家唐涤生，版画家古元等。

The place which Chaoyang is on the Earth the first bird flies the place which, the first flower is in full bloom, is also on the Earth the first virgin forest and the most beautiful lignification lithogeny place, the first folk saving water workstation is born place.

朝阳是地球上第一只鸟飞起的地方、第一朵花盛开的地方，也是地球上第一片原始森林和最美木化石形成的地方，还是第一个节水工作站诞生的地方。

Hanna: That's over now, isn't it?

都结束了，对吗

You must be ill. You look so pale.

你一定是病了，你的脸色苍白。