And content in the next we introduce the basic knowledge of OTFTs, including common device structures, OTFTs works, material selection and preparation, and crafts.

并在接下来的内容里介绍了OTFT的基本知识，包括常见的器件结构、OTFT的工作原理、材料选择和制备工艺等。

youdao

An appropriate selection of electrode material and optimization of preparation technical skills of electrode porous membrane are very important to improve electric performances of AMTEC.

选择合适的电极材料，优化电极多孔薄膜的制备工艺，对改善AMTEC的电特性将是十分重要的。

youdao

NOTE 2 Sampling procedures should describe the selection, sampling plan, withdrawal and preparation of a sample or samples from a substance, material or product to yield the required information.

抽样程序宜对取自某个物质、材料或产品的一个或多个样品的选择、抽样计划、提取和制备进行描述，以提供所需的信息。

youdao