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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
随便看
test for provability
test for resistance of surface to wear
test for resistance to moisture
test for rust preventing ability
test for sealing of body and external equipment
test for short
test for significance
test for skewness
test for soundness
test for specific gravity of slip
test for statistical independence
test for sugar
test for suitability
test for surface abrasion resistance
test for susceptibility scarlet fever
test for symmetry
test for syphilis
test for trend
test for unequal variances
test for uniform convergence
test for urinary iodine excretion Bourget's test
test frame
test framework
test frequency
test fuel
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更新时间：2026/10/23 21:14:29