英语词汇“quadrant”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

quadrant

/ˈkwɒdr(ə)nt

noun technical

1Each of four quarters of a circle.Arrange the bricks evenly around the circumference, leaving no large gaps, then divide the circle into four equal quadrants with remaining bricks....

In the north-east quadrant was a second circle, although little survives.
Use it to snap to the nearest quadrant of an arc, circle, ellipse, elliptical arc, and some 3D solids.

1.1Each of four parts of a plane, sphere, space, or body divided by two lines or planes at right angles: the right upper quadrant of the kidney...

Dividing the newspapers into quadrants by circulation size gave the same revelation.
We divided the study area into four 24 m X 16.5 rn quadrants (quarters).
If one imagines a square with four quadrants, the top left-hand quadrant is the case where there is a simple breach of confidentiality.

2 historical An instrument used for taking angular measurements of altitude in astronomy and navigation, typically consisting of a graduated quarter circle and a sighting mechanism.Millburn shows that much of the business, for George Sr. and Jr., was in quadrants and other navigational instruments....

Lavanha also studied instruments used in navigation, constructing astrolabes, quadrants and compasses.
In 1730 he invented a quadrant which measured the altitude of the Sun or of a star.

3A frame fixed to the head of a ship’s rudder, to which the steering mechanism is attached.Cables or chains run round a quadrant attached to the top of the rudder shaft....

Above the stern a large steering quadrant is still attached to the rudder post.
At the top is the steering quadrant, while at the bottom the rudder lies flat against the seabed.

3.1A panel with slots through which a lever is moved to orient or otherwise control a mechanism.At the first sign of engine failure, the pilot must advance all six levers on the power quadrant....

Each unit consisted of a quadrant and bellcrank assembly, a control valve, an actuator cylinder assembly and a bypass control assembly.
Acceptable growth on the control quadrants indicated acceptable quality control.

Derivatives

quadrantal

/kwɒˈdrant(ə)l/ adjective ...

Sert tamed and harnessed the Mediterranean light with quadrantal cylinder windows.
S-wave polarizations also show a quadrantal distribution for this type of source.

Origin

Late Middle English (denoting the astronomical instrument): from Latin quadrans, quadrant- 'quarter', from quattuor 'four'.

单词	quadrant
释义	quadrant /ˈkwɒdr(ə)nt / noun technical 1Each of four quarters of a circle.Arrange the bricks evenly around the circumference, leaving no large gaps, then divide the circle into four equal quadrants with remaining bricks.... In the north-east quadrant was a second circle, although little survives. Use it to snap to the nearest quadrant of an arc, circle, ellipse, elliptical arc, and some 3D solids. 1.1Each of four parts of a plane, sphere, space, or body divided by two lines or planes at right angles: the right upper quadrant of the kidney... Dividing the newspapers into quadrants by circulation size gave the same revelation. We divided the study area into four 24 m X 16.5 rn quadrants (quarters). If one imagines a square with four quadrants, the top left-hand quadrant is the case where there is a simple breach of confidentiality. 2 historical An instrument used for taking angular measurements of altitude in astronomy and navigation, typically consisting of a graduated quarter circle and a sighting mechanism.Millburn shows that much of the business, for George Sr. and Jr., was in quadrants and other navigational instruments.... Lavanha also studied instruments used in navigation, constructing astrolabes, quadrants and compasses. In 1730 he invented a quadrant which measured the altitude of the Sun or of a star. 3A frame fixed to the head of a ship’s rudder, to which the steering mechanism is attached.Cables or chains run round a quadrant attached to the top of the rudder shaft.... Above the stern a large steering quadrant is still attached to the rudder post. At the top is the steering quadrant, while at the bottom the rudder lies flat against the seabed. 3.1A panel with slots through which a lever is moved to orient or otherwise control a mechanism.At the first sign of engine failure, the pilot must advance all six levers on the power quadrant.... Each unit consisted of a quadrant and bellcrank assembly, a control valve, an actuator cylinder assembly and a bypass control assembly. Acceptable growth on the control quadrants indicated acceptable quality control. Derivatives quadrantal /kwɒˈdrant(ə)l/ adjective ... Sert tamed and harnessed the Mediterranean light with quadrantal cylinder windows. S-wave polarizations also show a quadrantal distribution for this type of source. Origin Late Middle English (denoting the astronomical instrument): from Latin quadrans, quadrant- 'quarter', from quattuor 'four'.
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