Velocity
[vəˈlɒsəti] or [və'lɑsəti]
解释:
(n.) Quickness of motion; swiftness; speed; celerity; rapidity; as, the velocity of wind; the velocity of a planet or comet in its orbit or course; the velocity of a cannon ball; the velocity of light.
(n.) Rate of motion; the relation of motion to time, measured by the number of units of space passed over by a moving body or point in a unit of time, usually the number of feet passed over in a second. See the Note under Speed.
校对:马蒂
同义词及近义词：
n. Swiftness, speed, celerity, fleetness, quickness, rapidity.
录入:索尔
同义词及反义词：
SYN:Quickness, swiftness, speed, celerity, rapidity, fleetness
ANT:Slowness, sluggishness, tardiness, {[ientor]?}, languor, cumbrousness,inactivity
弗恩手打
解释:
n. swiftness: speed: rate of change of position of a point per unit of time.—n. Velocim′eter an apparatus for measuring velocity.—Initial velocity the rate of movement of a body at starting esp. of a projectile.
富兰克林校对
例句:
- Rivers and pipes have their metres, so that now the velocity and volume of rivers and streams are measured and controlled, and floods prevented. 威廉·亨利·杜利特. 世纪发明.
- Fields, trees, and hedges, seemed to rush past them with the velocity of a whirlwind, so rapid was the pace at which they tore along. 查尔斯·狄更斯. 匹克威克外传.
- The speed with which sounds travels through the air, or its velocity, was first measured by noting the interval (54. 伯莎M.克拉克. 科学通论.
- Again, the experiments demonstrated that the force necessary to maintain at high velocity an apparatus consisting of planes and motors could be produced by means already available. 李贝. 西洋科学史.
- These jetties so concentrated the flow of waters into a narrow channel as to cause its increased velocity to wash out the mud and silt and deepen the channel. Edward W. Byrn. 十九世纪发明进展.
- Houses, gates, churches, haystacks, objects of every kind they shot by, with a velocity and noise like roaring waters suddenly let loose. 查尔斯·狄更斯. 匹克威克外传.
- I traveled with awful velocity for my errand was a race against time with death. 埃德加·赖斯·巴勒斯. 火星公主.
- Muzzle velocity, 2,900-foot seconds. 佚名. 神奇的知识之书.
- The greatest height to which water has been raised by the pumps that are one foot in diameter is 67·7 feet, with a velocity of 4,153 feet per minute. 弗雷德里克·科利尔·贝克维尔. 伟大的事实.
- In 1823 Asa Arnold of Rhode Island invented a differential motion by which the velocity of the bobbin is kept uniform. 威廉·亨利·杜利特. 世纪发明.
- The velocity and certainty of Mr. Bucket's interpretation on all these heads is little short of miraculous. 查尔斯·狄更斯. 荒凉山庄.
- The cotton passed through the two pairs of rollers, and its extension depended entirely on the difference in the velocity of the revolutions of the two pairs. 鲁伯特·萨金特·荷兰. 历史性发明.
- Atkinson,[445] What astonished the Allies most of all was the number and the velocity of the Republicans. 赫伯特·乔治·威尔斯. 世界史纲.
- Muzzle velocity, 1,750-foot seconds. 佚名. 神奇的知识之书.
- The quantity of water which flows through the trough each second depends upon the dimensions of the trough and the velocity of the water. 伯莎M.克拉克. 科学通论.
- Aristotle had held that two moving bodies of the same sort and in the same medium have velocities in pr oportion to their weights. 李贝. 西洋科学史.
编辑:韦德