ttb

The results were divided into three groups in accordance with TT / TTB system , gender and clinical experience .

将比色结果按照TT/TTB系统、不同性别、不同临床经验分组。

Then , the paper points out two kinds of internal codes ( CNCC code and TTB code ), and gives their definitions , and analyzes their performances .

然后，文章提出了两种全汉字集内部码（CNCC码和TTB码），给出了它们的定义，分析了它们的性能。

Some developed countries not only have used TTB in a large amount in the trade field of the goods , but also have expanded TBT to service trade and investment field .

一些发达国家不仅在商品贸易领域中大量使用技术性贸易壁垒，而且还把技术性贸易壁垒扩展到服务贸易和投资领域。

In recent years there has been tremendous surge of interests in the development and demonstration of crystals with the structure of tetragonal tungsten bronze ( TTB ) .

近几十年来，人们对研究钨青铜结构的材料产生了浓厚兴趣并取得了很大进展。

The paper studies TTB as the forerunner , The water as the solvent and the glacial acetic acid as the stabilizer to prepare stable TiO2 water dissolves by using the sol-gelatin technology .

研究了用钛酸正丁酯为前驱物，水为溶剂，冰乙酸作稳定剂，采用溶胶-凝胶技术，制备稳定的TiO2水溶胶；