Oral history is a branch of history to collect, keep and spread the oral historical data that take oral historical material as its research object.
口述史学是搜集、保存和传播口述史料，以口述历史为研究对象的一门历史学分支学科。
Type 13 composite piezoelectric material is used as research object, which composed of PZT5H is piezoelectric component and epoxy.
选用13型压电复合材料作为研究对象，压电相为PZT5H，环氧树脂作为基体相。
This paper takes color matching of reflective and non-reflective material as the research object to explore the relationship in color match contrast ratio of the two materials.
通过对反光膜和卡纸两种材料配色视认度的实验研究，探索出两种材料配色视认度的关系。
With pure aluminum powder as the research object, this paper made use of HPT for making cone-shaped part prepared by pure al powder sintered material.
本文以纯铝粉末材料为研究对象，将高压扭转法应用于粉末烧结体锥形件的制备。
With pure aluminum powder as the research object, this paper made use of HPT for making cone-shaped part prepared by pure al powder sintered material.
本文以纯铝粉末材料为研究对象，将高压扭转法应用于粉末烧结体锥形件的制备。
应用推荐