docs: private IWord getNumericUnitComposedWord(String numeric, IWord unitWord)
      {
      	IStringBuffer sb = new IStringBuffer();
      	sb.clear().append(numeric).append(unitWord.getValue());
  	    IWord wd = new Word(sb.toString(), IWord.T_CJK_WORD);
  
  	    String[] entity = unitWord.getEntity();
  	    int eIdx = ArrayUtil.startsWith(Entity.E_TIME_P, entity);
  	    if ( eIdx > -1 ) {
  	    	sb.clear().append(entity[eIdx].replace("time.", "datetime."));
  	    } else {
  	    	sb.clear().append(Entity.E_NUC_PREFIX ).append(unitWord.getEntity(0));
  	    }
  
  	    wd.setEntity(new String[] {sb.toString()});
  	    wd.setPartSpeech(IWord.QUANTIFIER);
  	    sb.clear();sb = null;
  
  	    return wd;
      }