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单词
second
释义
second
Encyclopedia
工学
〔SI基本单位〕
释
second
秒
国际单位制(SI)中的时间单位。符号s。当铯频率ΔνCs,也就是铯-133原子不受干扰的基态超精细跃迁频率,以单位Hz即s-1表示时,将其固定数值取为9192631770来定义秒。
Physics
second
①秒 ②第二
Mathematics
second
第二的;其次;秒
Astronomy
second
秒
随便看
Fucheng Xian
fu chengyi
Fuchi Dao
Fuchs
Fuchsian differential equation
Fuchsian equation
Fuchsian form
Fuchsian function
Fuchsian group
Fuchsian group of the first kind
Fuchsian group of the second kind
Fuchsian relation
Fuchsian system
Fuchsian theorem
Fuchsian theory
Fuchsian type
Fuchsian visibility manifold
fuchsin
Fuchsoid function
Fuchsoid group
Fuchs theorem
Fuchuan Yaozu Zizhi Xian
fuchun habutai
Fuchun Jiang
Fuchun River, Xin'an River, Thousand-island Lake Scenic and Historic Area
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