计算机中的宏为什么起名叫宏? - 知乎 看 Macro (computer science) macro一词不是微软发明的,而是计算机科学中长期存在的一个术语,最早出现在1959年的文章 The Share 709 System: Programming and Modification 中。 宏(macro)的全称是 宏指令 (macroinstruction),不太严格的说,宏是指 把较长的指令序列用某种规则对应到较短的指令序列的规则或模式
Sigma DC Macro 17-70mm F2. 8-4. 5 Lens Reviews - Pentax Forums Sigma DC Macro 17-70mm F2 8-4 5 reviews and specifications The Sigma 17-70 mm f 2 8 4 5 DC Macro is a versatile standard zoom lens designed for APS-C DSLRs, introduced in 2006 It features a 15-element 12-grou This is a Sigma Zoom lens
SMC Pentax 67 S-M-C Macro Takumar 6x7 135mm F4 Reviews - Pentax Forums SMC Pentax 67 S-M-C Macro Takumar 6x7 135mm F4 lens reviews and specifications The SMC Pentax 67 S-M-C Macro Takumar 6 7 135 mm f 4 is a manual-focus close-up lens introduced in 1971 for the Pentax 6 7 medium format system, wit
S-M-C Super Macro-Takumar 50mm F4 Reviews - Pentax Forums S-M-C Super Macro-Takumar 50mm F4 lens reviews and specifications The Takumar 50 mm f 4 is a series of legendary manual-focus macro lenses for M42 screw-mount cameras, produced by Asahi Optical Co in three main vari