double-double effect

The dependence of relative intensity and frequency of bands of aromatic ring on the atomic number of lanthanides indicates the presence of a double-double effect.

芳香环谱带的相对强度和频率对于镧系元素原子序数的依赖关系表明双-双效应的存在。

Double scraping knife design, double effect, strength the.

双铣刀设计，两次处理，加强处理效果。

The form of double colour effect transfer coating sofa leather, the base crust, the processing technology of double colour effect film and the influence factors in processing were discussed in detail.

论述了干法贴膜双色效应沙发革的构成，底基坯革制作，双色效应膜的加工技术以及生产中的影响因素等。