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明宝船舵杆
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明宝船舵杆
Encyclopedia
历史学
中国古代科技文物
释
Rudder Stock of a Ship of the Ming Dynasty
明宝船舵杆
1957年江苏南京中保村明代宝船厂遗址出土的郑和宝船所用舵杆。
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bending field
bending folding
bending instability
bending invariant
bending line
bending loss insensitive single mode fiber
bending magnet
bending moment
bending of light
bending of needle
bending parameter
bending persistence length
bending point
bending Poisson effect
bending strain
bending strength
bending strength of ceramics
bending stress
bending stress, flexural stress
bending stress function
bending surface
bending test
bending vibration
bending wave
bending wood
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