
词典条目:proportional to
基本定义
“proportional to”是一个短语,表示两个量之间的关系,其中一个量的变化导致另一个量的变化,通常用于数学和科学领域。它并没有形容词和名词的不同含义,而是专门用来描述比率或比例的关系。
词语辨析
在使用“proportional to”时,一般与变量或量的关系相关联。它常常与“directly proportional to”(正比)或“inversely proportional to”(反比)一起使用。
近义词
- corresponding to
- related to
- dependent on
反义词
- independent of
- unrelated to
词汇扩充
- proportionality(比例性)
- proportion(比例)
- proportionate(成比例的)
例句
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The cost of the project is proportional to the materials used.
项目的成本与所使用的材料成正比。
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The speed of the car is proportional to the power of the engine.
汽车的速度与发动机的功率成正比。
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The area of a circle is proportional to the square of its radius.
圆的面积与其半径的平方成正比。
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In economics, supply is proportional to demand.
在经济学中,供给与需求成正比。
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The increase in temperature is proportional to the increase in pressure.
温度的增加与压力的增加成正比。
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His salary is proportional to his performance.
他的工资与他的表现成正比。
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The height of a tree is proportional to its age.
树木的高度与其年龄成正比。
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The volume of gas is proportional to the temperature at constant pressure.
在恒定压力下,气体的体积与温度成正比。
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In physics, force is proportional to mass times acceleration.
在物理学中,力与质量和加速度的乘积成正比。
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The amount of water in the tank is proportional to the duration of the flow.
水箱中的水量与流动的持续时间成正比。
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Growth rates are proportional to the initial investment.
增长率与初始投资成正比。
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The intensity of light is proportional to the distance from the source.
光的强度与离光源的距离成正比。
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The number of students is proportional to the number of teachers.
学生的数量与教师的数量成正比。
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The risk of investment is proportional to the potential return.
投资的风险与潜在回报成正比。
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In a healthy diet, calories consumed should be proportional to calories burned.
在健康饮食中,摄入的卡路里应与消耗的卡路里成正比。
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The effort required is proportional to the complexity of the task.
所需的努力与任务的复杂性成正比。
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The size of the model is proportional to the actual object.
模型的大小与实际物体成正比。
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The interest earned is proportional to the amount invested.
获得的利息与投资的金额成正比。
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In architecture, the height of the building is proportional to its width.
在建筑学中,建筑的高度与其宽度成正比。