                 <div class="col-sm-6">
                        <table  border="0" style="width: 800px">
                            <tr ng-repeat="(id, x) in labels">
                                <td><input type="text" class="form-control"  ng-model="x.K"></td>
                                <td style="width: 20px">=</td>
                                <td><input type="text" class="form-control"  ng-model="x.V"></td>
                                <td style="width: 50px">
                            