backward development

• 发展滞后

backward development的用法和样例：

例句

1. The academic circles often owe the sluggish development of agricultural insurance to the lack of governmental support.
   对于我国农业保险发展滞后的原因学术界多归于政府支持不力。
2. As the network education development, the network courseware also obtained fast development, but network courseware estimation development is lag behina.
   随着网络教育的发展，网络课件也得到了快速的发展，但网络课件评价发展滞后。