ttb

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。

This is an older installation installed in the mid 1990's using TTB instrumentation.

这是更早的在90年代中期安装的TTB系统.

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。

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。

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。

TTB 102 Bluetoothmodule was designed mainly for Bluetooth mouse and USB dongle.

TTB102蓝牙模块主要用于蓝牙鼠标和蓝牙USB适配器.