| 单词 | percent |
| 释义 | percent[pə'sent]n. 百分比, 百分数, 部分【机】 百分率 percent percent 也作 per cent AHD: [p…r-sµnt“] D.J. [p*6sent]K.K. [p+6sWnt]adv.Abbr. p.c.,pct.（副词）缩写 p.c.,pct.Out of each hundred; per hundred.百分之：出于每一百；每一百n.（名词）1. pl. percentalso per cent One part in a hundred:【复数】 percent 也作 per cent 百分之一：一百中的一份：The report states that 42 percent of the alumni contributed to the endowment.Also called &b{per centum} 报告说有百分之四十二的校友响应了捐款也作 per centum2. pl. percents A percentage or portion:【复数】 percents 比例：百分比或一部分：She has invested a large percent of her salary.她把工资的大部分用以投资3. percents Chiefly British Public securities yielding interest at a specified percentage.percents 【多用于英国】 有固定利率的公债：按特定百分比生息的公共证券adj.（形容词）Paying or demanding interest at a specified percentage:支付利息的，索取利息的：按特定百分支付或要求利息的：a 5½ percent checking account.按5½取利的支票帐户语源:1. From per cent. 源自 per cent. 2. abbreviation of per centum [by the hundred] per centum的缩写 [按百] 3. per [per] * see per per [每] *参见 per4. centum [hundred] * see dek&9{©} centum [百] *参见 dek&9{©} 用法:Statistically speaking,a quantity can be increased by any percentage but cannot be decreased by more than 100 percent.Once pollution has been reduced by 100 percent, for example, it ceases to exist,and no further reduction is possible.In defiance of this logic, however, advertisers sometimes refer toa 150 percent decrease in lost luggage or a new dental rinse that reduces plaque on teeth by over 300 percent. On reflection,it is possible to infer the intended meaning in these examples—presumably the rinse is three times as effective as some other tooth-cleaning procedure—but the ostensible claim is logically nonsensical,and the phrasing serves mostly to obscure the fact that the standard of comparison has not been made explicit.The latter phrase was unacceptable to 66 percent of the Usage Panel.从统计学上说，数量可以按任意比例增长但不能按超过百分之一百的比例减少。例如，一旦污染减少百分之百，它就会消失，也就不再会有任何进一步减少的可能了。然而，广告商们时常忽视这种规律而提出行李丢失率下降了百分之一百五 或 一种新型爽口剂将牙病减少了百分之三百。 从观众的反应来说，不可能推断这些例句想表达的意思——假定这种爽口剂比其它洁齿措施有效三倍——但这种表面的说法却是不合逻辑的，并且短语的运用大大模糊了比较标准尚不清晰的事实。后一个短语是百分之六十六的用法小组成员不能接受的 |
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