The unquestionable leitmotiv of the current development of the nation could be summarized as a mechanical tabula rasa of the past.

不容置疑的国家发展主要内容应该像拥有一个机械、白板的过去。

The current development of simulated, moving bed and fixed-bed modeling have given a new impetus to molasses desugarization by ion exclusion.

模拟流动床及固定床的改进为离子排斥法提糖注入了活力。