数列\(\{a_{n}\}\)满足\(a_{1}=10\)，\(a_{n+1}=a_{n}+18n+10(n∈N*)\)记\([x]\)表示不超过实数\(x\)的最大整数，则\( \lim\limits_{n→∞}( \sqrt {a_{n}}-[ \sqrt {a_{n}}])=(\)　　\()\)