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词汇 ratio
释义 ratio
noun[ C ]
uk /ˈreɪ.ʃi.əʊ/ us /ˈreɪ.ʃi.oʊ/pluralratios
C1
the relationship between two groups or amounts that expresses how much bigger one is than the other: 比;比例;比率
The ratio of men to women at the conference was ten to one/10:1.出席会议者的男女比例为10:1。
The school is trying to improve its pupil-teacher ratio (= the number of teachers compared with the number of students).该校正大力优化其师生间的人数比例结构。
Compute the ratio of the object's height to its weight.计算一下该物体的高度和重量之比。
What is the car's power to weight ratio?
The staff to student ratio has increased dramatically in the last five years.
The efficiency of a machine is the ratio between the energy it supplies and the energy put into it.
Pi is the ratio of a circle's circumference to its diameter.
SMART Vocabulary: related words and phrases

Statistics
actuarial
actuary
analysis of covariance
background variable
canonical correlation
categorical variable
correction factor
correlation coefficient
covariance matrix
covariate
cross-sectional
entropy
infant mortality rate
interpoint
interquartile range
multigroup
non-statistical
pollster
statistician
variate

You can also find related words, phrases, and synonyms in the topics:


Numerical relationships

ratio | American Dictionary


ratio
noun[ C ]
us/ˈreɪ·ʃIˌoʊ/pluralratios
mathematics
a comparison of two numbers calculated by dividing
Ratio is also a relationship between two groups or amounts that expresses how much bigger one is than the other:
a low student-teacher ratio
The ratio of men to women at the conference was ten to one.

ratio | Business English


ratio
noun[ C ]
uk /ˈreɪʃiəʊ/uspluralratios
the relationship between two amounts, represented by two numbers or a percentage, expressing how much bigger one is than the other:
the ratio of sth to sthThe ratio of exports to imports also improved from 70.4% to 83.2%.
The ratio of house prices to earnings is 55% above its average level in the past 20 years.
The ratio of men to women at the conference was 10:1.
The company was performing well according to all the key ratios.
See also
accounting ratio
acid test ratio
asset turnover ratio
book-to-bill ratio
capital adequacy ratio
capital ratio
cash ratio
cash deposit ratio
collection ratio
combined ratio
current ratio
debt/equity ratio
debt ratio
debt coverage ratio
debt service ratio
dividend payout ratio
dividend-price ratio
expense ratio
financial ratio
inventory-to-sales ratio
liquid ratio
liquidity ratio
loan-to-value ratio
management ratio
net P/E ratio
net quick assets ratio
operating expense ratio
payout ratio
P/D ratio
P/E ratio
price-dividend ratio
price/earnings ratio
reserve ratio
solvency ratio
stock turnover ratio
turnover ratio

Examples of ratio


ratio
Nonetheless, ratios of post-harvest weights to pre-harvest weights reinforced the view that weight fluctuations were not uniformly large.
The squares are replaced by intermittent hexagonal patterns when the aspect ratio is increased.
The surface stresses (tensions) are functions of the local extension ratios, which depend on the global deformation of the membrane.
As the alternative for the stiff systems (having high ratio gears, high friction, etc.) we propose to use the tactile sensors.
One of the main targets of the optimization was to increase the contact ratio of the gear pair.
Thus, this ratio is a performance measure that indicates the value added by active management to the strategic policy.
Tests showed that the presence of probes had no visible effect on cavity behaviour, provided the probe-toprojectile-diameter ratio was kept small.
Understanding the ratio of precursor types in the population might be useful therapeutically.
Turnover measures may also be seen in terms of the ratio of familial to extra-familial transactions.
Pairwise differences and transition/transversion ratios among them were 13.1% and 1.8 respectively (table 4).
What they express is not ratio and proportion of abstract quantities but specific relation in definite geometrical context.
Changes to public health nursing services may be related to the decreases in population to physician ratios.
In general, the parent/metabolite ratio decreases with time.
The steepness of the crossover is determined by the signal-to-noise ratio.
In order to understand the significance of the duration ratios just provided, it may prove instructive to introduce temporal information for other linguistic varieties.
These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors.

Collocations withratio


ratio

These are words often used in combination with ratio.

Click on a collocation to see more examples of it.


average ratio
Each value is the averageratio for these oocytes.
axle ratio
This transmission helped boost highway fuel economy, while improving city performance by with a 3.08:1 rear axle ratio.
From
Wikipedia

This example is from Wikipedia and may be reused under a CC BY-SA license.
bypass ratio
That is a measurably demonstrable fact, and is due to the high bypass ratio of the turbo-fans coming into service.
From the
Hansard archive

Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0
These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors.
See all collocations with ratio
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