所有科技知识-科学参考

科学参考收录了1248194条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。

null bit string	null built-in function	null carrier method	null character	null character (NUL)
null character string	null circle	null circuit	null class	null cone
null corrector (大型反射镜检查用)	null-current circuit	null-current measurement	null curve	null cycle
null data area	null data set	null delimiter	null depth	null detection
null detector	null direction	null electrode	null ellipse	null event
null field	null file	null fill-in	null gate	null geodesic
null graph	null-gravity state	null-g simulator	null hypothesis	nullified bond
nullifier	nullify	null indicating double-beam system	null-indicating oscilloscope	null indicator
nulling	nulling coefficient	null(ing) device	null-instrument	nullipara
nulliparity	nulliparous	nulliplex	nullisomatic	nullisomic albino
nullity	null junction	null lens	null line	null link
null locator value	null matrix	null measurement of transconductance	null method	null method of measurement
null modem	null(NUL)	null (NUL)	null object	null operator
null output message	null pick-up	null pointer	null pointer value	null position
null potentiometer	null process	null product	null-reading cross pointer	null record
null recurrent	null representation	null sequence	null sequence reactance	null(-)set
null set	null sharpness	null shift	null-shift method	null space
null spectrophotometer	null state	null statement	null string	null suppression
null surface	null symbol	null tensor	null term	null torque
null transformation	null-type bridge	null-type impedance meter	null-type infrared spectrophotometer	null-type yaw probe
null value	null vector	null word	NUL lymphocyte	Nuloy (硬质合金)
Nultrax	nulvalent	numb	number	number abstract
number account	number address code	number and percentage	number and range of spindle speeds	number arriving in one unit of time
number attribute	number average molecular weight	number average (数量平均)	number axis	number base
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