Степень устойчивости η определяется как:<img src="/close/store/examRes/%7B3DE38779-9555-472C-8CE6-9F77303ADE91%7D/zdo_Upr_sert_innov_ENI_84_p.jpg" /><img src="/close/store/examRes/%7B3DE38779-9555-472C-8CE6-9F77303ADE91%7D/zdo_Upr_sert_innov_ENI_84_m.jpg" /><img src="/close/store/examRes/%7B3DE38779-9555-472C-8CE6-9F77303ADE91%7D/zdo_Upr_sert_innov_ENI_84_k.jpg" /><img src="/close/store/examRes/%7B3DE38779-9555-472C-8CE6-9F77303ADE91%7D/zdo_Upr_sert_innov_ENI_84_o.jpg" /><img src="/close/store/examRes/%7B3DE38779-9555-472C-8CE6-9F77303ADE91%7D/zdo_Upr_sert_innov_ENI_84_L.jpg" /><img src="/close/store/examRes/%7B3DE38779-9555-472C-8CE6-9F77303ADE91%7D/zdo_Upr_sert_innov_ENI_84_2.jpg" /> <img src="/img/47/f4cd4ac5241dc3eb052a31c8af.jpg" />, <img src="/img/d6/e7eb220b4cb9312c79d1f2c642.jpg" />, <img src="/img/6d/287b86d5319ad93be64662ca4e.jpg" />, <img src="/img/64/e6960ac672210dfeef9f6c6745.jpg" />, <img src="/img/bb/44cbaae9b9cde0f4e61f065111.jpg" />, <img src="/img/93/f3dde63216c58846b1c6d90303.jpg" />, по иной формуле