background basics

基本解释

Now that you understand the background and basics of Spring's O/X Mapper, it's time to take a look at how it is used.
现在您已经了解了 Spring 的 O/X Mapper 的背景和基础知识，可以检验它的使用方法了。
An illustrated guide to stitches, fringes, and finishing techniques, plus tools and materials, offers a solid background or refresher on the basics.
这是本关于缝线，镶边以及修整技术的图示指南，附带工具和材料的介绍，为基本技术提供了坚实的背景。
We describe the basics of the cosmic microwave background radiation (CMB), and the physics of its anisotropy and polarization.
文章对微波背景辐射的各向异性、偏振及宇宙电离的历史给出了评述性介绍。