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energy
◎ 能量單位換算
焦耳 (J)
卡 (cal)
1 焦耳(J) = 0.239 卡(cal)
1 卡(cal) = 4.184 焦耳(J)
1 焦耳(J) =
10
7
耳格(erg)
◎ 單位倍率符號表
單位倍率
符號
英文
10
12
T
tera
10
9
G
giga
10
6
M
mega
10
3
k
kilo
10
2
h
hecto
10
da
deca
10
-1
d
deci
10
-2
c
centi
10
-3
m
milli
10
-6
μ
micro
10
-9
n
nano
10
-12
p
pico
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