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单词
Protocycloceras
释义
Protocycloceras
网络
前环角石;原圆环角石;奥陶纪的前环角石
网络释义
1.
前环角石
头足类动物化石,
前环角石
(
Protocycloceras
),壳直或微弯。横切面圆至椭圆形。
www.findart.com.cn
2.
原圆环角石
地质学专业英语词汇(58) ... 原油 crude oil
原圆环角石
Protocycloceras
原藻砂岩 Eophyton sandstone ...
www.for68.com
3.
奥陶纪的前环角石
...延至志留纪。化石有产于中国北方上寒武统的短棒角石(Plectronoceras)、
奥陶纪的前环角石
(
Protocycloceras
)、梯级角 …
baike.baidu.com
例句
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speed multiplier
speed near ground
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speedo
speed of action
speed of actions
speed of adaptation
speed of advance
speed of agitator
speed of answer
speed of approach
speed of approach measuring instrument
speed of attack
speed of autorotation
speed of beaming
speed of circulation
speed of combing
speed of combustion
speed of convergence
speed of cooling
speed of cutter head
speed of cylinder
speed of deformation
speed of detection
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更新时间:2025/1/14 5:49:03