These structures had been detected years earlier by echo-sounding instruments, but they had never been penetrated in the course of drilling.

这些结构在早些年曾被回声探测器探测到，但是它们从未被钻探过。

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A typical video and audio chat with multiple users can often be ruined by echo from a user who doesn't use headphones.

多用户之间的视频和语音聊天通常都会被那些不使用耳机用户所产生的回音所败坏兴致。

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When passing One Fathom Bank, check the depth and variable sand waves below the sea level all the time by echo sounder.

通过一托浅滩时，要一直测深校时水深及海面下多变的沙纹。

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Those comments echo earlier assessments by analysts here in Seoul, who say Kim Jong Il's apparent stroke about a year ago challenged perceptions of his complete command of the North's government.

VOA: standard.2009.06.22

The triathlon competitors had to do a 1.5km (0.9miles) swim, 40km (24.8miles) ride and 10km (6.21miles) run before crossing the finish line by the Echo Arena on the waterfront.

BBC: Three Graces

It might not seem like a big deal with all the 1080p TVs these days, but 1080i is actually still the most prevalent broadcast format and the way it's currently rendered by the Echo makes it unwatchable.

ENGADGET: Ceton Echo Windows Media Center Extender review HD

This card also includes the high-quality beam-forming microphone, allowing advanced voice communication without the need for the headset by leveraging CrystalVoice Echo Cancellation, CrystalVoice Focus and CrystalVoice Active Noise Reduction.

ENGADGET: Creative doles out Sound Blaster gaming headsets, Recon3D audio platform / sound cards