Plus and minus signs were used in 1514 in Holland.
1514年，荷兰开始使用加号和减号。
These correspond to the plus and minus signs that control code folding.
这些小三角对应于控制代码合并的加减符号。
It can include variables, constants, and operating symbols, such as plus and minus signs.
它能包含变量、常量、运算符，例如加号和减号。
Click on the plus and minus signs to adjust the proportions between extracts in your new fragrance.
点击正负标志调整在你的新香水中提取物的比例。
The voltage applied to said electrode is a pulsed voltage of plus and minus or an AC voltage of plus and minus.
施加给所述电极的电压是正负脉冲电压或正负ac电压。
While electricity exists as separate charges, like the plus and minus of a battery, magnets always come in a joined pair;
电可以作为分开的电荷存在，比如说电池的正极与负极，而磁则总是要成双成对地出现。
Digital signals turn the complexity of the real world into a code based on the Numbers 0 and 1, or, in electrical terms, plus and minus.
数字信号将人世间纷繁复杂的事物变为数字“0”和“1”用电学术语来说，也就是正和负。
By convention, these graphics are usually triangles that point to the right for closed or down for open; or plus and minus signs, where plus means closed and minus means open.
按照惯例，通常使用向右的三角形取代closed，向下的三角形取代open；也可使用加减号，加号表示closed，减号表示open。
For analog inputs, any absolute voltage value above which the analog-to - digital converter cannot distinguish a change. The overload value can be different for plus and minus inputs.
就模拟输入而言，使模数转换器不能区别其变化的超范围的绝对电压值。超载值对于正输入和负输入可能不同。
By implementing the plus and minus methods, I've overloaded both + and - and can now use them in my scripts. Listing 5 demonstrates their behavior to add and subtract songs from a play list.
通过实现plus和minus方法，我重载了+和-，现在可以把它们用在脚本中了。
The aircraft was subjected to temperatures of minus 65 degrees and plus 120 degrees.
这架飞机经受过零下65度和零上120度的考验。
Free cash flow is net income plus depreciation and other cash charges, minus the capital expenditures necessary to maintain the business.
自由现金流是指净收入加上折旧和其他非现金支出，然后减去维持业务所需的资本支出的值。
And By doing that they were able to give an account of the position of the planets in the sky, that worked out pretty well. Of the order of five degrees, plus or minus.
这么一来他们就可以，对天空中行星的位置做出合理解释了，而且也很奏效，偏差也只在正负五度之内。
The survey's sampling error is plus or minus 3 percentage points for the overall responses and plus or minus 5.5 percentage points for the questions broken down by race.
调查的整体回覆采样误差率为正负3%，按照种族划分的调查采样误差率为正负5.5%。
The survey, which has a sampling error of plus or minus two percent, found that 35 percent of the respondents believed in UFOs and 31 percent in witches.
这项调查抽样误差在正负百分之二，35%的受访者相信飞碟，而31%的人相信巫术。
The poll of 1,288 people was conducted July 7-11 and has a margin of sampling error of plus or minus 3.5 percentage points.
这项调查于7月7日至11日之间开展，共对1288名受访者进行了访问，抽样误差率为正负3.5个百分点。
The poll of 1, 288 people was conducted July 7-11 and has a margin of sampling error of plus or minus 3.5 percentage points.
这项调查于7月7日至11日之间开展，共对1288名受访者进行了访问，抽样误差率为正负3.5个百分点。
Economists at Goldman Sachs reckon that consumers' real discretionary cashflow-their income plus any new credit minus debt service and spending on essentials-has been shrinking since late last year.
高盛(Goldman Sachs)的经济学家认为，消费者的真实自由支配现金流——收入加上所有新获信贷减去旧债还本付息和必需品支出——自从去年年末就开始下降了。
We know that this is going to be, by measurement, this is going to be plus and this is going to be minus.
我们知道通过测量，这儿将是正，这儿将是负。
And Americans' personal-savings rate was minus 1.7% in May; Mr Rother thinks plus 10% would be more prudent.
同时美国的个人储蓄率在5月是负1.7%；洛特先生说正10%才是谨慎的。
It also details in concrete terms the composition of the three tokens (a plus sign, a minus sign, and an integer) that the parser expects to encounter while scanning through the input stream.
它还详细描述了三个记号(加号、减号和整数)组合的具体项，解析器在扫描整个输入流时希望遇到这些项。
Because aluminum ions have charge of plus three and oxygen ions have charge of minus two.
因为铝离子为正三价,氧为负二价。
In the arithmetic of love, one plus one equals everything, and two minus one equals nothing.
在爱情算术中，一加一等于一切，二减一等于一无所有。
Yacc can recognize patterns of tokens; for instance, as in the example above, it can recognize that an expression can consist of a value, either a plus or minus sign, and another value.
yacc可以识别出记号的模式；例如，如上面例子中所示，它可以识别出一个表达式可能由一个值、一个加号或者减号以及另一个值构成。
In the arithmetic of love, one plus one equals everything, and tow minus one equals nothing.
在爱的算术中，一加一可以等于一切，二减一等于零。
The unary minus (-) and unary plus (+) are the same operators as binary minus and plus.
一元减号(-)和一元加号(+)与二元加号和减号都是相同的运算符。
The unary minus (-) and unary plus (+) are the same operators as binary minus and plus.
一元减号(-)和一元加号(+)与二元加号和减号都是相同的运算符。
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