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local extra_units = {
["$/gbit"] = {
per _name1 = { "$bit", "g" },
utype _symbol = "cost $ per unit massbit",
defaultutype = "$/lbinformation",
prefixes = 1,
link = " Dots per inchBit", ▼ },
["$/ozper-km2"] = {
per name1 = { "$",per square kilometre"oz" },
utype name1_us = "cost $ per unitsquare masskilometer",
defaultname2 = "$/gper square kilometre",
name2_us = "per square kilometer",
},
symbol = "per km<sup>2</sup>",
["gr water"] = {
name1 utype = "grainsper unit waterarea",
name2 scale = "grains water"1e-6,
symbol default = "gr H<sub>2</sub>Osqmi",
link utype = "volumeSquare kilometre",
scale = 0.00000006479891,
default = "cm3",
link = "Grain (unit)",
},
["lb(f)"] = {
name1 = "pound",
symbol = "lb",
utype = "force",
scale = 4.4482216152605,
default = "N",
link = "Pound-force",
},
["DPI"] = {
name1 = "DPI",
name2 = "DPI",
symbol = "DPI",
utype = "dotlength",
invert = -1,
iscomplex= true,
scale = 1/0.0254,
default = "pitch",
▲ link = "Dots per inch",
},
["pitch"] = {
name1 = "um/dot",
name2 = "um/dot",
symbol = "um/dot",
utype = "dotlength",
invert = 1,
scale = 0.000001,
link = "Dots_per_inch#Proposed_metrication",
},
["dpcm"] = {
name1 = "dot/cm",
name2 = "dot/cm",
symbol = "dot/cm",
utype = "dotlength",
invert = -1,
iscomplex= true,
default = "DPI",
link = "Dots_per_inch#Proposed_metrication",
},
["isp"] = {
name1 = "second",
symbol = "second",
utype = "speed",
invert = 1,
scale = 9.8066,
default = "m/s",
link = "specific impulse",
},
["si_tsfc"] = {
name1 = "g/kNs",
name2 = "g/kNs",
symbol = "g/kNs",
utype = "speed",
invert = -1,
iscomplex= true,
scale = 9.8066/101972,
default = "tsfc",
link = "thrust specific fuel consumption",
},
["tsfc"] = {
name1 = "lb/lbf h",
name2 = "lb/lbf h",
symbol = "lb/lbf h",
utype = "speed",
invert = -1,
iscomplex= true,
scale = 3600*9.8066/32.16,
default = "si_tsfc",
link = "thrust specific fuel consumption",
},
}
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