ACO-hard and ACO-easy problems
alternatively distributed soft and hard rock
Backup and restore of floopy disk and hard disk
black-day and hard rain
blocking and hard-going
brittle and hard material
changes in soft and hard tissues
Changes of hard and soft tissue
complex formation with interbedding of soft and hard rocks
compromised algorithm between soft-thresholding and hard-thresholding
crisp and hard material
design of hard and software
designing of soft ware and hard ware
emergency and hard disease clinical of traditional
Expensive and hard to visit doctors
facial profile of soft and hard tissue
facial soft and hard fissue profile