英语释义

1. indicating a quantity whose algebraically positive and negative values serve to bracket a range of values either alone or when added to and subtracted from a given number
measured with an accuracy of plus or minus 3 feet

2. more or less, approximately
a dance for singles plus or minus age 30

片语

plus or minus judgment正负判定

plus or minus clause增减条款

Plus Or Minus One上下一心

plus or minus 2正负

plus or minus sound码子

plus or minus reactions阳性和阴性反应

Prescribing of plus or minus正负开方术

plus or minus sign正负号

英汉例句

• clicking the plus or minus [+/-] icon expands or collapses the module.

  单击加或减 [+/-]图标来扩展或回缩此模块。

• if the size attribute begins with a plus or minus sign (such as size=「+2」 or size=「-1」), use a relative size for the font; map +1 to a relative font size of 110%, for instance.

  如果size属性以一个加号或减号开头（如size=「+2」或size=「-1」 ），则使用字体的相对大小；

• the telephone poll「s margin of error is plus or minus 4%.

  此次电话民调的误差幅度约为正负4%。

• this is based on our ability to recognize seven chunks of informationper unit of time, plus or minus two, and orme’s estimate of our 「attentional unit」 of1/18th of a second.12

  这基于人体能力仅能在一个时间单位识别出7种信息（正负2种）。orme评估我们的注意力单位是1/18秒。

• this fact is often used as an argument for limiting the number of options in navigation menus to 7; however there are heated debates about the myth of 「seven, plus or minus 2″.

  这一事实经常被用来作为限制导航菜单选项到7个的论据；然而关于神奇的“7，加2或者减2」还是引起了激烈的讨论。

• we get a 10t, and we get, again, plus or minus 0.1 seconds.

  得到10个周期，也要，加或减去0。1秒。

• by analyzing how much racemization of its aspartic acid occurred, scientists can determine how old the tooth’s owner was at death — generally accurate to about 5.5 years, plus or minus 4.2 years.

  通过分析其天冬氨酸发生了多少外消旋化，科学家可以确定牙齿主人在多大岁数死亡——通常精确到5年半左右，正负差4.2年。

• what this magical number represents - 7 plus or minus 2 - is the number of items we can hold in our short-term memory.

  这个神奇数字（7正负偏差2）代表着我们的短期记忆能记多少。

• the survey has a total margin of error of plus or minus 2.6 percentage points, larger for subgroups.

  该调查错误率是加上或减去2.6%，对次级群组错误率幅度更大。

• the company expects revenue of $14 billion, plus or minus $500 million, for the coming quarter.

  公司预计下一季度的收入为140亿美元，增减幅度500万美元。

• this technique uses a computer program that tracks and calculates how fast particles move, and is accurate to plus or minus 20 per cent, reports npr.

  这项技术使用电脑程序来追蹤和计算粒子移动的快慢，然后每一分精确的加上或者减去20，得出npr。

• that looks improbable. the return from equities comprises the dividend yield, plus dividend growth, plus or minus any change in the rating (the price-dividend ratio).

  股票收益包含股息生息率，加上现金股利成长率，加上或减去评定等级的变化（价格股利比率）。

• the researchers found that some 13% of women who started at a normal, healthy weight maintained it to plus or minus 5 pounds during the 13-year period.

  研究人员发现，在这13年中，大约有13%的女性从一开始就维持在正常的，上下浮动在5磅内的健康体重。

• quantity: quantity, unless otherwise arranged, shall be subject to a variation of 5% plus or minus at sellers」 option.

  数量：除非另作安排，数量可能由卖方选择作加或减5％的变动。

• the margin of error is plus or minus 1.8 percentage points.

  误差在正负百分之一点八。

• the new individual will, in theory, be as fit as the parents, plus or minus a small variance caused by the mutation.

  理论上说来，新的个体是和双亲一样适应的，由于变异或增或减会有些微小的变化。

• and when l equals two, m 1/2 s, again, is plus or minus one-half.

  当l等于2时，可以取2到-2，之间的值。，m，can，vary，from，two，down，to，minus，two。,这里s还是正负。

• i get ten t equals something plus or minus my reaction time, which is 0.1 of a second.

  我得到10t等于某值,加或减我的反应时间，也就是0。1秒。

• the margin of error for thesurvey was plus or minus 3 percent.

  调查的误差值在正负3%。

• so i am going to have here some time that we measure 1 plus or minus 0.1 1 and we'll do the whole thing in milliseconds.

  所以这就是,需要测量的时间,整个的单位是毫秒1,再加上或减去0。

• namely, we will be saying the /a normal vector is x, y, z over a, plus or minus depending on whether we want it pointing in or out.

  我们容易知道,法向量为，正负号取决于它是指向外面还是里面。

• that is 21.35, plus or minus .03.

  是21。35，加减0。

• it has a sampling error of plus or minus 1.9 percentage points.

  该调查的抽样误差为正负1.9个百分点。

• harris interactive said the results have a sampling error of plus or minus 1.2 percentage points.

  哈里斯互动表示该调查结果会有正负1.2个百分点的采样误差。

相似词

about关于；目的是；针对；忙于；因为；在……到处；在……四处；在……附近；在……（具有某种品质）；围绕；为……感到

approximatelyad 大约，近似地；近于

around围绕；在那边；绕着；同……一致；到处；以（已提及物）为中心；迂回

like爱好（常复数）；类似或同类的人或物

more or less或多或少

much许多，大量

near在......附近，靠近；临近；近乎，就要；与......相似，近似于

roughlyad 粗糙地；概略地

say(Say)人名；(土)萨伊；(法、老、柬)赛；(英)塞伊；(匈、罗)绍伊

some(Some) （美、印）索梅（人名）

相反词

exactlyad 恰好地；正是；精确地；正确地

preciselyad 精确地；恰恰