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Φ值标度
desert.
phi scale
(根据以2为底的负对数值作为分级界限的沉积物粒度的一种几何(倍频程)级数标度。Φ值标度与 mm 值的关系为 Φ=lg2t/(mm))
值标度
:
29 phrases
in 15 subjects
Automobiles
1
Aviation
1
Bridge construction
2
Earth sciences
1
Electronics
3
General
2
Hydroelectric power stations
5
Metallurgy
1
Nautical
1
Oil / petroleum
1
Photography
1
Rail transport
1
Remote sensing
1
Technology
7
Telecommunications
1
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