unfathomed

it is an unfathomed and difficult problem that weak and small targets are detected in complicated background and low snr.

复杂背景下低信噪比弱小目标的自动检测是当今目标自动探测研究尚未解决的一个难题。

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the sea is the symbol of the collective unconscious, because unfathomed depths lie concealed beneath its reflecting surface.

海是集体无意识象徵，因为深不可测的海底隐藏在反映的表面。

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the profound depths of the sea; the dark unfathomed caves of ocean-thomas gray; unplumbed depths of the sea; remote and unsounded caverns.

深不可测的大海；海洋中幽深、黑暗的洞穴--托马斯·格雷；大海不可测量的深度；遥远、幽深的洞穴。

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The two separated shores mingle their voices in a song of unfathomed tears.

遥相注目的两岸在难以测度的深海泪歌中彼此唱和.

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finally, based on the analysis of the unfathomed security issues of reid, it points out the extend research direction in this field.

最后，基于对RFID安全未决问题的分析和评述，指出了今后该领域的研究方向。

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