effective normal stress， σ‘

normal effective stress

effective head

normal temperature normal pressure easy-to-dye

effective lowest particle size of effective separation

hammer head [= hammer head shark]

head to head configuration

head to head structure

1NF first normal form

1-normal

2-Jordan normal form

2-wire normal quality

3-dimension Normal distribution

4-wire normal quality

a curve about two dimensional normal distribution

a normal series

above normal

above normal speed

absolute normal score test

absolute normal scores test