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1. The expression of a fraction in English
The expression of a fraction in English is: cardinal number (numerator)+ordinal number (denominator). In all cases, ordinal numbers should be in plural form, except for the numerator which is the "1". 1/3: One third 2/3: Two thirds (note plural) 25/24: twenty four twenty fifths In English, numerals are mainly divided into cardinal and ordinal types. The so-called cardinality, in mathematical understanding, refers to numbers that can be compared in size. The cardinal number of potatoes in English is used to describe the quantity of things. So, the definition of cardinal number words is: numerals that describe the quantity of things are called cardinal collocation words. Ordinal numbers are a type of numeral, mainly mentioned in English grammar and represented as "what" in Chinese. In addition, ordinal numbers are also used when describing your date of birth in birthdays. For example, May first (May 1st).
2. Conversion of all units
1. Conversion of length units: 1 zhang=10 feet; 1 foot equals 10 inches; 1 inch equals 10 minutes; 1 point equals 10 centimeters; 1 zhang ≈ 3.33 meters; 1 foot ≈ 3.33 decimeters; 1 inch ≈ 3.33 centimeters; 1 kilometer (km)=1000 meters; 1 meter (m)=100 centimeters; 1 centimeter (cm)=10 millimeters 1 mile=150 zhang=500 meters; 2 miles equals 1 kilometer (1000 meters); 1 mile=1760 yards=5280 feet=1.609344 kilometers; 1 yard=3 feet=0.9144 meters; 1 English search=2 yards=1.8288 meters.
2、 Area unit conversion: 1 square kilometer (km ²)=100 hectares (hectares)=247.1 acres (ac)=0.386 square miles (mile ²) 1 square meter (m ²)=10.764 square feet (ft ²) 1 public acre (a)=100 square meters (m ²)=10 ⁻ ² hectares (hm ²) 1 he
3. Volume unit conversion: 1 cubic meter (m ³)=1 000 liters (liter)=1000 cubic decimeters (dm ³) 1 cubic decimeter=1000 cubic centimeters 1 cubic centimeter=1000 cubic millimeters 1 cubic foot (ft ³)=0.0283 cubic meters (m ³)=28.317 liters (liter) 1 thousand cubic feet (mcf)=28.317 cubic meters (m ³) 1 million cubic feet (MMCF)=283317 million cubic meters (m ³) 1 billion cubic feet (bcf)=28.317 million cubic meters (m ³)
4 Density unit conversion: 1 kilogram/cubic meter (kg/m ³)=0.001 grams/cubic centimeter (g/cm ³)=0.0624 pounds/cubic foot (lb/ft ³) 1 pound/cubic foot (lb/ft ³)=16.02 kilograms/cubic meter (kg/m ³) 1 pound/cubic inch (lb/in ³)=27679.9 kilograms/cubic meter (kg/m ³) 1 pound/cubic US gallon (lb/gal ³)=119.826 kilograms/cubic meter (kg/m ³) 1 pound/cubic English gallon (lb/gal ³)=99.776 kilograms/cubic meter (kg/m ³) Pa (kPa) 1 kPa=0.145 pounds force per square inch (psi ²)=0.0102 kilograms force per square centimeter (kgf/cm ²) 1 pound force per inch (psi)=6.895 kPa=0.0703 kilograms force per centimeter (kg/cm)=0.0689 bar 1 Physical atmospheric pressure (atm)=101.325 kPa=14.696 pounds per inch (psi)=1.0333 bar
6 1 ton=1000000 grams (one million grams) 1 kilogram (1 kilogram)=1000 grams (one kilogram) 1 catty=500 grams (1 gram=0.002 catty) 1 milligram=0.001 grams (1 gram=1000 milligrams) 1 microgram=0.000 001 grams (1 gram=1000000 micrograms) 1 nanogram=0.000 000 001 grams (1 gram=00 nanograms) In English, object description usually involves the selection of containers, the use of quantifiers,