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单词
Napier's bones
释义
Napier's bones
美
英
网络
纳皮尔算筹;纳皮尔骨头;纳皮尔的骨头
英英
网络释义
np.
1.
a
set
of
graduated
rods
based
on
the
principles
of
logarithms
,
formerly
used
to
perform
multiplication
and
division
but
now
used
primarily
for
educational
purposes
1.
纳皮尔算筹
纳皮尔算筹
(
Napier's bones
)——乘法辅助工具............................49机械式计算机——Schikard计算机、Pascaline ............50...
blog.csdn.net
2.
纳皮尔骨头
所谓
纳皮尔骨头
(
Napier's Bones
)是一种用来计算乘法与除法,类似算盘的工具。由一个底座及九根圆柱(方柱)组成,可以 …
www.panking.net
3.
纳皮尔的骨头
1612年,纳皮尔(John Napier)设计了对数和所谓的「
纳皮尔的骨头
」(
Napier's Bones
)计算器。他的「骨头」是编上数字木 …
home.educities.edu.tw
例句
释义:
纳皮尔算筹,纳皮尔骨头,纳皮尔的骨头
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更新时间:2026/4/14 13:39:48