But materials and technologies will likely take years to develop, and existing alternatives come with trade-offs.

但是材料和技术的开发可能需要很多年，并且当前的替代材料还只是一种折衷之选。

youdao

New materials and technologies have been put into practice to make the rescue work more convenient, quicker and safer than it used to.

新材料、新技术在两栖装甲装备海上抢救中的应用，使抢救作业方便、快捷、安全成为现实。

youdao

Superconducting materials and technologies are strategically high-tech in the 21st century, and have highly potential and market prospects.

超导材料技术是21世纪具有战略意义的高新技术，极具发展潜力和市场前景。

youdao

Judges for this contest studied how each design looks and how it uses new technologies and materials.

VOA: special.2010.03.31

The 20th-century flowering of Third World "folk arts" has been driven largely by Western demands, materials and technologies of production.

FORBES: Fifth Anniversary

Replacement and reconstruction are increasingly necessary for obsolete materials and technologies.

WSJ: The Repair of The Paul Randolph Building at Yale May Help Other Structures in Need of Restoration

Materials and technologies that are suited for a vacuum, zero gravity, and extreme cold and heat are not the ones we typically can use on Earth.

CNN: Mars can wait. Oceans can't