请教proportion的详细用法,

请教proportion的详细用法,
主要是希望知道××与×× 的比例怎样用英语表达.
如果能表达相同意思,其它词汇或者短语也可以.
请列举例句,越多越好.

proportion pro.por.tion AHD:[pr…-pôr“sh…n, -p½r“-] D.J.[pr*6p%8r.*n, -6pour-] K.K.[pr*6p%r.*n, -6por-] n.（名词） A part considered in relation to the whole. 部分：被认为和整体有关的一部分 A relationship between things or parts of things with respect to comparative magnitude, quantity, or degree: 比例：涉及可比较的大小、数量或程度的事物或事物各部分之间的关系： the proper proportion between oil and vinegar in the dressing. 做菜时油和醋的适当比例 A relationship between quantities such that if one varies then another varies in a manner dependent on the first: 比率：数量之间的一种关系,在这种关系中如果一个发生变化则另一个随第一个发生相应的变化： “We do not always find visible happiness in proportion to visible virtue”(Samuel Johnson) “我们会发现可见的幸福不一定与可见的美德成比例”(塞缪尔·约翰逊) Agreeable or harmonious relation of parts within a whole; balance or symmetry. 均称,平衡：整体中各部分之间协调或和谐的关系；平衡或对称 Often proportions Dimensions; size. 常作 proportions 容积；大小 Mathematics A statement of equality between two ratios. Four quantities, a, b, c, d, are said to be in proportion if ƒ = „. 【数学】 比例：两个比率之间相等的状态,如果ƒ = „,则四个数a,b,c,d 就被认为成比例 v.tr.（及物动词） pro.por.tioned, pro.por.tion.ing, pro.por.tions To adjust so that proper relations between parts are attained. 使成比例：调整使各部分使达成比例关系 To form the parts of with balance or symmetry. 使平衡,使对称：形成带有平衡或对称的各部分 Middle English proporcion 中古英语 proporcion from Old French proportion 源自 古法语 proportion from Latin pr½½} pr½porti½n- 源自 拉丁语 pr½½} pr½porti½n- from pr½½ne} [according to (each) part] 源自 pr½½ne} [根据（每一个）部分] pr½} [according to] * see pro- 1 pr½} [根据] *参见 pro-1 porti½e [ablative of] porti½ [part] * see per…- 2 porti½e [] porti½的夺格 [部分] *参见 per…- 2 propor“tionable adj.（形容词） propor“tionably adv.（副词） propor“ti