... incoming group selector 入局选组器 first group selector第一选组机 second group selector 第二级选组机 ...
2
?第一选组器
... 第三选组器 third group selector 第一选组器first group selector 汇接选组器 tandem selector ...
双语例句
1
This differs from the result selector in a non-group join, which cannot access elements from the first collection that have no match in the second collection.