A、<img class=\""kfformula\"" src=\""data:image\/png;base64,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\"" data-latex=\""\\frac {1} {\\sqrt {1+T{ω}^{2}}}\"">
B、<img class=\""kfformula\"" src=\""data:image\/png;base64,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\"" data-latex=\""\\frac {1} {\\sqrt {1+{(Tω)}^{2}}}\"">
C、<img class=\""kfformula\"" src=\""data:image\/png;base64,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\"" data-latex=\""\\frac {1} {\\sqrt {1-{(Tw)}^{2}}}\"">
D、<img class=\""kfformula\"" src=\""data:image\/png;base64,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\"" data-latex=\""\\frac {1} {\\left | {1+Tω} \\right |}\"">
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