与高温固相反应法比,该方法具有合成温度低,反应时间短,所得产物硬度小,发光亮度好等优点。
It is more bright, has low hardness, low temperature of synthesis and requires less time in synthesis when compared with products synthesized by high temperature solid-phase reactions.
本文采用命名作业法探讨在不同汉字部件亮度条件下的字频效应、笔画数效应及部件在汉字识别中的作用。
The effects of character frequency, stroke number and radical number on Chinese recognition were studied under different levels of radical brightness.
本文提出一种新方法——密度矩和法,用底片上已知亮度恒星的PDS测微密度数据来同时决定底片特性曲线和星等零点。
A new method is suggested for determining the characteristic curve of a plate, as well as the magnitude zero point, using PDS microdensitometer data of stars of known brightness on the plate.
应用推荐