But to layered strata, the seismic wave path is complicated when reservoir changes, and it is difficult to directly define vertical time difference by pre stack far offset seismic data.

对于层状介质，油藏变化前后的地震波传播路经比较复杂，其激发点和接受点发生了变化，要想用叠前远偏移距数据直接计算垂直时差比较困难。

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Gilbert nodded and ran back up the path to the tall grass, turning around to wave.

吉尔伯特点点头，然后顺着小路跑回高草从中，在那不停地挥着手。

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Based on those two methods, a new algorithm - Double Propagating Wave algorithm is presented to find a optimum global path.

在这两种方法的基础上，本文提出了基于双波传播算法的全局路径规划方法。

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The Wave Glider SV Series represents the next generation of Wave Glider technology and includes the Wave Glider SV2 with a compatible growth path to the high-end Wave Glider SV3.

ENGADGET: Wave Glider sea robot gets a new version, replete with more power and gear

Nonetheless, Kolar says that the industry has seen a surge of interest in the last year, particularly from developers who have the capital and experience to deploy full-scale wave energy projects, and from government officials in island countries who see in wave power a clear path to energy independence.

FORBES: Wave Energy: The Latest Battleground in the Conservation vs. Innovation Debate

For those in the path of future storms, however, these Wave Gliders might very well offer lifesaving answers with enough time to act on them.

FORBES: Hurricane Isaac: Robot 'Alex' Rides Waves To Help Forecasting