# 与 ratio相关的所有词

cash ratio

the ratio of cash on hand to total deposits that by law or custom commercial banks must maintain

focal ratio

f-number

gear ratio

the ratio of the turning speed of the powered gear to that of the final gear

loss ratio

the ratio of the annual losses sustained to the premiums received by an insurance company

mass ratio

the ratio of the mass of a fully-fuelled rocket at liftoff to the mass of the rocket without fuel

P-D ratio

→ short for price-dividend ratio

P/E ratio

price-earnings ratio

quick ratio

A quick ratio is a measure of liquidity that is calculated by dividing current assets minus inventories by current liabilities .

ratio scale

a scale of measurement of data which permits the comparison of differences of values; a scale having a fixed zero value. The distances travelled by a projectile , for instance, are measured on a ratio scale since it makes sense to talk of one projectile travelling twice as far as another

advance ratio

the ratio of wind speed along the axis of a rotor or propeller to the speed of the blade tip

aspect ratio

the ratio of width to height of the picture on a television or cinema screen

bypass ratio

the ratio of the amount of air that bypasses the combustion chambers of an aircraft gas turbine to that passing through them

claims ratio

The claims ratio is the percentage of claims costs incurred in relation to the premiums earned .

current ratio

A current ratio is a measure of liquidity that is calculated by dividing current assets by current liabilities .

gas:oil ratio

The gas:oil ratio is the volume of gas produced at standard temperature and pressure , in relation to the volume of oil produced at standard temperature and pressure, used as a measurement for reservoir fluids .

golden ratio

the ratio of two lengths, equal in value to (1 + √5)/2, and given by b / a = ( b + a )/ b ; it is the reciprocal of the golden section and also equal to (1 + golden section)

payout ratio

the ratio between dividends paid out and earnings per share of common stock within a time period

Pogson ratio

the brightness ratio of two celestial objects that differ by one magnitude . On the Pogson scale a difference of 5 magnitudes is defined as a difference of 100 in the intensities of two stars; therefore a difference of 1 magnitude is equal to the fifth root of 100, i.e. 2.512

savings ratio

the ratio of personal savings to disposable income , esp using the difference between national figures for disposable income and consumer spending as a measure of savings

branching ratio

→ another name for branching fraction

combined ratio

The combined ratio of an insurer or a reinsurer is the combination of its loss ratio and expense ratio.

liquidity ratio

the ratio of those assets that can easily be exchanged for money to the total assets of a bank or other financial institution

partition ratio

A partition ratio is a measurement of the relative degree to which a solute which is going to be separated is distributed between a solvent and sorption medium.

Poisson's ratio

a measure of the elastic properties of a material expressed as the ratio of the fractional contraction in breadth to the fractional increase in length when the material is stretched

staffing ratio

the ratio of the staff or workforce of a place to another group, for example to staff in another department , the ratio of patients to nurses in a hospital , or the ratio of pupils to teachers in a school

air-fuel ratio

The air-fuel ratio or air-fuel delivery ratio is the ratio of air to fuel that is taken in by an engine .

compression ratio

the ratio of the volume enclosed by the cylinder of an internal-combustion engine at the beginning of the compression stroke to the volume enclosed at the end of it

distribution ratio

the ratio of concentrations of a solute distributed between two immiscible solvents in contact with each other, as iodine in water and chloroform

gyromagnetic ratio

the ratio of the magnetic moment of a rotating charged particle , such as an electron , to its angular momentum

protection ratio

the minimum acceptable ratio between the amplitudes of a wanted radio or television broadcast signal and any interfering signal

price-earnings ratio

the ratio of the price of a share on a stock exchange to the earnings per share, used as a measure of a company's future profitability

bore-stroke ratio

The bore-stroke ratio is the ratio of bore to stroke . A ratio of 1:1 is referred to informally as square .

distinctiveness ratio

the ratio of the relative frequency of some event in a given sample to that in the general population or another relevant sample

stoichiometric ratio

The stoichiometric ratio is the exact ratio between air and flammable gas or vapor at which complete combustion takes place.

asset turnover ratio

An asset turnover ratio is a measure of the efficiency of a company, that is calculated by dividing sales for a period by average total assets.

food conversion ratio

a ratio expressing the weight of food required to produce a unit gain in the live weight of an animal

liquid assets ratio

→ another term for liquidity ratio (sense 1 )

price-dividend ratio

the ratio of the price of a share on a stock exchange to the dividends per share paid in the previous year, used as a measure of a company's potential as an investment

staff-student ratio

the ratio of teachers to pupils or students in a school, college , or university

teacher-pupil ratio

the number of teachers relative to the number of pupils in a particular school

catalyst-to-oil ratio

The catalyst-to-oil ratio is the amount of a catalyst relative to the amount of oil, which with temperature affects the yield of a process.

debt-to-equity ratio

A company's debt-to-equity ratio is a measure of leverage that is calculated by dividing total liabilities by shareholders ' equity .

energy efficiency ratio

a measure of the efficiency of a heating or cooling system, as a heat pump or air conditioner , equal to the ratio of the output in B.T.U./ hour to the input in watts

signal-to-noise ratio

the ratio of one parameter , such as power of a wanted signal to the same parameter of the noise at a specified point in an electronic circuit, etc

high bypass ratio engine

a type of by-pass engine in which a large fan driven by a turbine and housed in a short duct forces air rearwards around the exhaust gases in order to increase the propulsive thrust

LTV

loan-to-value

INR

The INR is a test that times the clotting of blood, used in measuring warfarin dosage .

VSWR

VSWR is a measure of how efficiently radio-frequency power is transmitted from a power source , through a transmission line, and into a load .

peg

A peg is a small hook or knob that is attached to a wall or door and is used for hanging things on.

turbofan

a type of bypass engine in which a large fan driven by a turbine and housed in a short duct forces air rearwards around the exhaust gases in order to increase the propulsive thrust

词典释义

A ratio is a relationship between two things when it is expressed in numbers or amounts. For example , if there are ten boys and thirty girls in a room , the ratio of boys to girls is 1:3, or one to three.

参见 ratio 的详细定义

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