Array[5]
     0:Array[10]
      0:Object
      1:Object
      2:Object
      3:Object
      4:Object
      5:Object
      6:Object
      7:Object
      8:Object
      9:Object
      10:Object
    1:Array[2]
      0:Object
      1:Object

<div ng-repeat="item in array">
 <div ng-repeat="object in item">
   {{object.name}}
 </div>
</div>

<div ng-app="app">
  <div ng-controller="ctrl">
    <div ng-repeat="array in arrays">
      <div ng-repeat="v in array">
         {{v.name}}
      </div>
    </div>
  </div>
</div>

var app = angular.module('app', []);

    app.controller('ctrl', ['$scope', function($scope)
    {
       $scope.arrays = [
        [{'name':'a1'}, {'name':'a2'}],
        [{'name':'a3'}, {'name':'a4'}]
       ];
    }]);

$scope.meuArray = [];

//meu primeiro array é esse seu array que tem outros arrays dentro

angular.forEach(primeiroArray, function(arrays) {
    $scope.meuArray.push(arrays)
}

<div ng-repeat="obj in meuArray">
     {{obj.algumAtributo}}
<div>