On a coin that means the coin was struck twice for the collector value. Notice the coin should have a mirror like finish. And the 63 means the shape it's in from 60 to 70 for proof coins usually. Regular coins start at one. That would be a pretty good shape for an old coin but a little poor for a new coin.
It means 750% change, I believe. A +100% change means that you add 100% of the original (or multiply by 2). So for a +750% change you multiply by 8.5 (750% + 100% = 850% --> multiply by 8.5)
ch speaker in a different room
The plural form of "notch" is "notches." This follows the standard rule of adding "es" to nouns ending in "ch" to form the plural. For example, one notch becomes two notches.
What does mean mean
The arithmetic mean is a weighted mean where each observation is given the same weight.
CH = "Confederatio Helvetica" = Swiss Confederation
.CH is the domain extension for Switzerland.
CA= Central Air CH=Central Heat. Sometimes you see it as CH&A
you are out of touch!!
Church
If you mean the international car registration then it is Switzerland
switzerland
you are out of touch
That has no meaning in English - slang or gibberish.
If you mean the German word for to cook then it is pronounce koo-chen where the ch is in the throat like the ch in loch.
"Ch" on an Ordnance Survey map typically stands for "church." It marks the location of a church or a place of worship on the map.
One Dirty B**ch