在Fortran 90中，以行方式将数组写入文本文件的好方法是什么?

I am new to Fortran, and I would like to be able to write a two-dimensional array to a text file, in a row-wise manner (spaces between columns, and each row on its own line). I have tried the following, and it seems to work in the following simple example:I am new to Fortran, and I would like to be abl