Table 3: FU/FO-${\nu}$ double-mode Cepheids in OGLE-II LMC sample

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OGLE ID     $P_0$ [day]  $P_1$ [day]  $P_{\nu}$ [day]  $f_{\nu}-f_1$ [c/d]  $P_{\nu}/P_1$  $A_{\nu}/A_1$
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SC6-6         4.84114      3.45321        3.58121            -0.0104           1.0371          0.057
SC15-69667    1.90413      1.37695        1.51787            -0.0674           1.1023          0.052
SC17-126402   3.20971      2.29494        1.42953             0.2638           0.6229          0.040
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