可以将一个double 数据转化为在计算机硬盘中表示的64位形式，可以将64位二进制的数转化为double数值-Can be a double data into the computer' s hard drive, said the 64-bit form, can be a 64-bit binary numbers into a double value

Embarcadero Delphi is an integrated development environment (IDE) for console, desktop graphical, web, and mobile applications.[1] Delphi s compilers use their own Object Pascal dialect of Pascal and generate native code for several platforms: 3