| 释义 |
Examples:Planck's constant h, approximately equal 6.626 x 10^-34 Joule.seconds or 4.135 x 10^-15 Electron volt.seconds—electron volt (unit of energy used in particle physics, approximately 10^-19 Joules)—gigabyte (2^30 or approximately a billion bytes)—megabyte (2^20 or approximately a million bytes)—Fields Medal (for mathematics, approximate equivalent Nobel prize)—circa. (for approximate dates)—successive approximate values [idiom.]— |