public static JObject GeneralBasic(string apikey,string secretkey,string path)
        {
            var client = new Baidu.Aip.Ocr.Ocr(apikey, secretkey);
            var image = File.ReadAllBytes(path);

            // 通用文字识别
            var result = client.GeneralBasic(image, null);
            return result;
        }

     private void txbupload_Click(object sender, EventArgs e)
        {
            string apikey = txbapikey.Text;
            string secretkey = txbsercetkey.Text;
            string imagepath = txbpic.Text+ "\\yancaoxuke.jpg";
            JObject result =   OcrDemo.GeneralBasic(apikey, secretkey, imagepath);          
                var txts = (from obj in (JArray)result.Root["words_result"]
                         //   let phrase = (JObject)obj["phrase"]
                            select (string)obj["words"]);
            foreach (var r in txts)
                Console.WriteLine(r);
       
        }

log_id:3544105182,words_result_num:15,words_result:[
  {
    "words": "XX专卖零售许可证"
  },
  {
    "words": "许可证号xxx"
  },
  {
    "words": "XX有限公司"
  },
  {
    "words": "法定代表人xx"
  },
  {
    "words": "(负责人)"
  },
  {
    "words": "320507217865"
  },
  {
    "words": "企业型"
  },
  {
    "words": "有限责任公司"
  },
  {
    "words": "经營场xx室"
  },
  {
    "words": "卷烟,雪茄烟"
  },
  {
    "words": "许可范围"
  },
  {
    "words": "xxxx公司"
  },
  {
    "words": "供货单位"
  },
  {
    "words": "有效期服自"
  },

const string s = "{\"result\" : \"ok\",\"tuc\" : [ {\"authors\" : [ 13 ],\"meaningId\" : 2397164096556578585,\"phrase\" : {\"text\" : \"机场\",\"language\" : \"zho\" }},{\"authors\" : [ 3266 ],\"meaningId\" : 1269040436618011315,\"phrase\" : {\"text\" : \"機場\",\"language\" : \"zho\"}}]}";
var root = JObject.Parse(s);
var txts = (from obj in (JArray)root["tuc"]
            let phrase = (JObject)obj["phrase"]
            select (string)phrase["text"]);
foreach (var r in txts)
    Console.WriteLine(r);

const string s = "{\"result\" : \"ok\",\"tuc\" : [ {\"authors\" : [ 13 ],\"meaningId\" : 2397164096556578585,\"phrase\" : {\"text\" : \"机场\",\"language\" : \"zho\" }},{\"authors\" : [ 3266 ],\"meaningId\" : 1269040436618011315,\"phrase\" : {\"text\" : \"機場\",\"language\" : \"zho\"}}]}";
var root = JObject.Parse(s);
var txts = (from obj in (JArray)root["tuc"]
            select (string)obj["phrase"]["text"]);
foreach (var r in txts)
    Console.WriteLine(r);