б?90.3

????

???90.3?????30.2%201056.2%??7900???2300??500??40???С???213??С131?287?и????1.7?????7366??й???168?????′?5?

2017???25??????????12???201710μ??????2017??????20?人??У?????????50??λμ?200?????300??Я1000λμ?

?????￡??о?Ч飬????′??仧й????????????г???????8?δ′???е????????19???2017???255??С????????????????Э顷???????γ?о2000?