在这里,指导性、实用性是教育信息服务必须具备的最基本的功能.Here the guidance and the usability are the most basic functions.从而得出滑爽类服装面料缝制配伍的指导性方案.The paper also provides guide scheme on coordinate sewing of smooth fabric.本论文的研究具有理论上的创新性和实践上的参考指导性.Th...
The older strata gradually disintegrate.较老的岩层渐渐风化.Contained within the rock strata is evidence that the region was intensely dry 15,000 years ago.岩层中有证据表明，该地区在15,000年前曾经非常干旱。We can follow the history of life through the ...