系统软件 语言与编译 释文 fifth generation language, 5GL 第五代语言
- hard-cover binding line
- hardcover book
- hard crown-glass
- hard cutting
- hard decision
- hard dense loops
- hard direction
- hard direction for magnetization
- hard direction of magnetization
- hard disk
- hard disk drive
- hard disk drive, HDD
- hard disk drive，HDD
- harddisk playout system
- hard disk recorder for real time slow motion
- hard disk, rigid disk
- hard drawing
- Hard-edge Painting
- hard electron
- hard ellipsoid of revolution type potential
- hard ellipsoid potential
- hardenability
- hardenable
- hardener
- hardening accelerating admixture