摘要
我们经过多年刻苦砖研,终于研制成功启智尺,它结构简单,造价低,便于推广。启智尺的研制推广具有特别重要的意义。
After our years＇s research, we invent intellectual development ruler which has the advantages such as simple structure, low cost, easily distribution. Distribution of this kind of ruler has significant value.
出处
《鸡西大学学报（综合版）》
2006年第1期78-80,共3页
JOurnal of Jixi University:comprehensive Edition
关键词
启智尺
组合数码尺
珠算
哥德巴赫猜想
intellectual development ruler
combined digital ruler
calculation with an abacus
Goldbach＇s conjecture,
