Objective:To analyze the variety of parameter TE(time to echo), which should influence the segmentation of MR brain images.

目的：分析TE（回波延迟时间）参数变化对MR颅脑图像分割的影响。

youdao

He found that the length of time it takes a sound's echo to decay is determined by the absorption of the sound's original energy by surrounding material.

他发现，声音回声衰减的时间长短取决于周围物质对声音原始能量的吸收。

youdao

He went up to the mountains and shouted, "I hate you, I hate you," and back came the echo "I hate you, I hate you." This was the first time that he had heard an echo.

他爬到山上大声喊：“我恨你，我恨你”，就听见回声“我恨你，我恨你”，这是他第一次听到回声。

youdao

And all echo down the tracks from a time when trains were the only way to travel.

BBC: Europe's eight best night trains

The card also includes a high-quality beam-forming microphone, which leverages CrystalVoice Echo Cancellation, CrystalVoice Focus and CrystalVoice Active Noise Reduction to enable gamers for the first time ever to use speakers and a desktop microphone while gaming without any sound other than the gamer's voice being transmitted through the microphone.

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