array(2) {
  [0]=>
  array(1) {
    [0]=>
    string(232) "suggest_so({"errorcode":0,"ext":"nlpv=test_302","query":"钢结构形式_","result":[{"word":"钢结构形式分类"},{"word":"钢结构形式有哪些"}],"src":"other","ssid":"5f737093073c47b4911129043339e0ee","version":"revise"}
)"
  }
  [1]=>
  array(1) {
    [0]=>
    string(21) "钢结构形式分类"
  }
}