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sign binary digit：正负号二进制数位

"正负及大小码","sign and magnitude code" | "正负号二进制数位","sign binary digit" | "正负号位元","sign bit"

sign and countersign：口令的问答; 暗语, 暗号

sign manual 亲笔签名(尤指国王的) | sign and countersign 口令的问答; 暗语, 暗号 | sign of the cross 划押; 用手划的十字

division mark ;division sign：除号

书名号 book title mark | 乘号 times sign;multiplication sign | 除号 division mark ;division sign

sign of division：除号

sign modification 符号改变 | sign of division 除号 | sign of equality 等号

Dollar sign：美元标志

# # --- 数字标志Number sign | $ $ --- 美元标志Dollar sign | % % --- 百分号Percent sign

equal sign：减号

暗号 minus sign | 减号 equal sign | n.[数]等号 sign manual

equal mark;equal sign;equals sign：等号

减号 subtraction sign | 等号 equal mark;equal sign;equals sign | 斜线 slash;bias;diagonal

sign gantry：标志架

sign 标志;告示牌;招牌 | sign gantry 标志架 | sign mount 标志托架

Please sign the receipt in duplicate：请一式两份签收这个收据

Please sign on the top line. 请在头一行上签名 | Please sign the receipt in duplicate. 请一式两份签收这个收据. | Please sign your name at the places marked with an x. 请在注有"X"的地方签名

Sign and Relative Independency：有标记及相对独立性

交叉口交通信号:traffic sign of crossroad | 有标记及相对独立性:Sign and Relative Independency | 城市历史文化标识系统:the historical and cultural sign system of cities

Hammond postulate：哈蒙德假说

Microscopic reversibility 微观可逆性 | Hammond postulate 哈蒙德假说 | Linear free energy 线性自由能

oil price：油价

oil paint 油漆 | oil price 油价 | oil shale 油页岩