英语 科技落后 可以怎么说？（有哪些说法）

1.Backwardness of Science and Technology

2. Science and Technology lag behind

从明清教育解析中国近代科技落后的原因A Probe into the Backwardness of Science and Technology of the Modern Ages of China from the Angle of Ming and Qing's Education

中国科学技术在近代落后的原因初探The tentative research on the causes for the straggling of science and technology in modern China

The Causes of Backwardness of Science and Technology in the Modern china

science and technology fall behind

科技落后

backward in sicence and technology;
lag behind in science and technology;
make little progress in science and technology;
do poorly in science and techonlogy

动词结构：science and technology drop/fall/lag behind (in science and technology)
名词结构：underdeveloped science and technology
a backward scientific and technological level
scientific and technological retardation (极贬义）