In the first half of the 20th century, this theory had come into being and guided the teaching material practice.

20世纪上半叶，教材理论在国外已形成热潮，并发挥了指导教材实践的作用。

youdao

This" new" world that consists of computer and network, has produced unprecedented impact and influence to human material practice and cognitive thinking .

由计算机及其网络组成的这个“新”世界，对人类的物质实践和认知思维产生了前所未有的冲击和影响。

youdao

Make it a practice to preview attentively the titles, captions, headings, and other material connected with graphics.

要养成专心预览题目、说明文字、标题和其他与图形相关的材料的习惯。

youdao

Scientists say the practice of feeding biological material from cows to cows can spread the disease.

CNN: Democrats criticize administration over mad cow

It is YouTube's standard practice to remove any material that they receive even the flimsiest threat for because the company wishes to avoid all litigation.

CENTERFORSECURITYPOLICY: YouTube silences Latma, removes We Con the World

One reason is that companies, in spite of urgings from various bodies set up to examine best corporate practice, rarely give them the raw material or opportunity to do so.

ECONOMIST: Keep on purring