add measure type：TA

lib/interfaces/process/items/terms.dart

@@ -290,6 +290,7 @@ class MeasureTerms {
   static const SV_Card = "SV-Card";
   static const SV_Diam = "SV Diam";
   static const SV_Trace = "SV Trace";
+  static const TA = "TA";
 
   /// Ejection fraction
   /// 射血分数