1) underlayer oxhide
二层皮
1.
The results show that underlayer oxhide,coloring agent and diluent solvent are the important effects of producing transfer-film leather.
研究了移膜革硫化成型效果的影响因素,结果表明,在移膜革生产中,所选用的二层皮、着色剂及稀释溶剂是其主要的影响因素。
2) Second Skin
《第二层皮》
1.
Second Skin: From Perspectives of Postmodernism and Feminism;
后现代主义和女性主义视角下的《第二层皮》
3) 2-Tier
二层
1.
The Research of 2-Tier and 3-Tier Structure Based on the Client/Server Architecture;
基于客户机/服务器体系的二层与三层结构研究
4) bi-level programming
二层规划
1.
Bi-level programming for solving spray robot trajectory planning based on genetic algorithm;
基于遗传算法的喷漆机器人轨迹的二层规划
2.
Supply chain multi-stage response time decision-making model based on bi-level programming;
基于二层规划的供应链多阶响应周期决策模型
3.
By proposing a bi-level programming model to study the payment in franchise house,the paper focuses on the form of a fixed-payment to the franchiser and analyzes the model.
构建一个二层规划模型,对定额费用收取方式及模型进行求解。
5) splitting leather
二层革
6) two-layer process
二层法
1.
The advantages and disadvantages of these processes, such as two-layer process, three-layer process and modern three-layer process, were discussed.
综述了精铝的电解法生产工艺的发展过程,比较和分析了二层法、三层法和现代三层法铝电解精炼工艺所具有的优点和存在的缺陷,供今后铝电解精炼工艺的革新参考。
参考词条
补充资料：三层大，二层小
1.谓家庭中人口众杂，上辈之上还有上辈，下辈下面还有下辈。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。