倍精度浮点宏指令的英文

• d-macro
• double precision floatation macro order

• 倍:    times
• 精度:    precision; accuracy; degree ...
• 浮点:    floating decimal; floating p ...
• 双精度浮点宏指令:    double precision floating macro order; double precision floating macro-order
• 多倍精度浮点:    long floating point