常见时间单位换算(国外英文资料).docVIP

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常见时间单位换算(国外英文资料).doc

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常见时间单位换算(国外英文资料)

常见时间单位换算(国外英文资料)1 second = 1000 milliseconds (ms)1 millisecond = 1/1,000 seconds (s)1 second = 1,000,000 microseconds (mu s)1 microsecond = 1/1,000,000 seconds (s)1 second = 1,000,000,000 nanoseconds (ns)1 nanosecond = 1/1, 000,000,000 seconds (s)1 second = 1,000,000,000,000 picosecond (ps)1 PI seconds = 1/1,000,000,000,000 seconds (s)1 ms = 1000 us1 us = 1000 ns1 ns = 1000 ps60 seconds = 1 minute60 minutes = 1 hour24 hours = 1 day7 days = 1 week365.25 days = 1 year100 years = 1 centuryThe solar day is equal to 24 hours, 3 minutes, 555 secondsStar day = 23 hours 56 minutes 4.091 secondsSolar year (year of return) = 365.2422 days(= 365 days 5 hours 48 minutes and 46 seconds)1 star year = 365.2564 days(= 365 days, 6 hours, 9 minutes, 9.5 seconds)A lunar month = 29.5306 daysStar month = 27.3712 daysThe solar year = 12, the day of the moon = 354.36 daysOne second = 300, 000 kilometers of light1 = 60 seconds1 hour = 15 points1 hour = 4 hour1 = 2 hours1 day = 121 = 5.0728125 days of greasesSection 1 = 3 hou1 ten-day = 10 days1 month = 3 ten-daySection 1 quarter = 61 year = 4 seasonOne generation = 10 years1 the = 30 generations1 ji = 10 generationsareaOne square kilometer (km2) = 100 hectares (ha) = 247.1 acres (acre) = 0.386 square miles (mile2)1 square metre (m2) = 10.764 square feet (ft2)1 square inch (in2) = 6.452 square centimeters (cm2)One hectare (ha) = 10,000 square meters (m2) = 2.471 acres (acre)1 acre (acre) = 0.4047 hectares (ha) = 4.047 x 10-3 square kilometers (km2) = 4047 square meters (m2)1 acre (acre) = 0.4047 hectares (ha) = 4.047 x 10-3 square kilometers (km2) = 4047 square meters (m2)1 square foot (ft2) = 0.093 square meters (m2)1 square metre (m2) = 10.764 square feet (ft2)1 square yard (yd2) = 0.8361 square meters (m2)1 square mile (mile2) = 2.590 square kilometers (km2)Volume substitution1 maggi = 0.118 liters (1) 1 pint (pt) = 0.473 liters (1)1 beauty quarts = 0.946 liters (1) 1) 1 gallon of gals = 3.785 liters (1)One bucket (BBL) = 0.159 cubic met