tnd怎么读

Meanwhile the disquisition probes and analyses the practice of the New Urbanism communities abroad in the representation of Traditional Neighborhood Development ( TND) and Transit-Oriented Development ( TOD) including the revelations to us.

同时文章也探讨和分析了以传统邻里开发和交通导向开发两种模式为代表的国外新都市主义社区的实践情况及其给予我国的重要启示。

Plasma testosterone ( T), tnd estradiol ( E_2) level of the control was 1.63 ± 1.35 ng/ ml, 6.35 ± 3.25pg/ml((?)

对照组雄性大鼠的血浆睾酮（T）、雌二醇（E2）水平分别为1.63±1.35ng/ml、6.36±3.25pg/ml（（？）

The paper presents a study on mathematical models of increasing-and-decreasing speed in step motor systems used NC machine tools, and introduces a design method of software tnd control method of based on chip microcomputer.

本文针对数控机床步进电动机系统，分析了该系统升降速数学模型，并介绍了软件设计和单片机控制的实现方法。