Attending lectures will be particularly important, because much of the critical material will be presented only in lectures.

出席讲课非常重要，因为许多关键资料只会在课堂上呈现。

youdao

Mould flux is a very important and critical material during continuous casting of steel, and takes a key role to improve quality of strands.

连铸保护渣对连铸工艺的顺行和提高铸坯表面质量具有重要影响，是连铸过程中关键性的辅料。

youdao

A publication listing titles of articles or literary works, especially the contents of an exhibition, along with related descriptive or critical material.

附有解释的分科排列：文章或文学作品的出版篇名目录，尤指一个展览目录，附带有相关的描述性或批评性材料。

youdao

MP, has announced that it will conduct a more independent investigation, but it can only request critical intelligence material, not demand it of right.

ECONOMIST: Tony Blair and Iraq

But certainly the financial services industry, which often uses spreadsheets and PC-based models to calculate critical estimates and material asset valuation amounts, is at high risk for the inevitable errors that do occur.

FORBES: The State of Sarbanes-Oxley Compliance According To Protiviti

Made of hardened steel that is between four and eight inches thick, the integrity of the containment vessel is critical in preventing enormous quantities of radioactive material from escaping into the environment.

FORBES: New Video From Fukushima Shows Containment Vessel Dome Amid Debris