check box allows you to perform an exact search. If this check box is marked, incomplete words will not be found. Do not mark this check box if the search term you enter should also be found as part of a longer word.
复选框用于进行精确查找。如果选中，便不会找到仅部分匹配的单词。如果要查找长单词中含有所输入查找条目的部分，则不要选中此复选框。