the technical character的用法和樣例：
例句
- I examined three key technical properties of this proposed concave-mirror projector.
我檢驗了凹面鏡投射的三項關鍵技術特性。 - There are several factors need to be discussed in the adoptation of dizao-film.This paper deals with a consolidated explaoation for the technical characteristics of diazo-film.
選用重氮片應考慮因素，以往甚少被重視，本文將所有應考應因素列出，是對重氮片的技術特性作一綜合說明。
