backwardness造句

Backwardness in high quality epitaxial wafer has limited greatly the development of Chinese LED industry.
高质量的外延片已经成为中国LED产业发展的主要制约环节.

We are struggling with backwardness.
我们在和落后现象做斗争.

Those who were in various degree of backwardness lived inland.
那些在不同程度上较为落后的人住在内地.

The basic cause of Russian backwardness lies in its peasants.
俄国落后的根本原因就是农民因素.

Backwardness must be previewed before it can be changed.
认识落后才能改变落后.

• #backwardness