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zero是什么意思

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zero 是什么意思

音标:[ 'ziərəu ]  
过去式:zeroed   过去分词:zeroed   名词复数:zeros   现在分词:zeroing   

中文翻译与英英解释

n.
(pl. zeros, zeroes)
1.【数学】零;零号。
2.零位;零点,起点;(温度表的)零度,冰点;座标原点;无。
3.最低点;【天文学】天底;【航空】零高度。
4.没价值的人[物]。
5.【军事】= zero hour. the absolute zero 【物理学】绝对零度〔-273.16℃〕。
短语和例子
the air zero 原子弹空中爆炸中心。 fly at zero 超低空(1000英尺高度以下的)飞行。
vt.
1.把(调节器等)调整到零位。
2.把…减少到零位。
短语和例子
zero in 1. 调整(枪炮的)射距,把(枪炮等的标尺)调整到标准无风部位瞄准。 2. 把(火力)对准目标 (on)。 zero out 给…以免税待遇(to zero out funding for public broadcasting 对用于公共广播的经费实行免税)。
adj.
1.零(度)的。
2.【气象学】云幕低于50英尺,能见度小于165英尺的。
of or relating to the null set (a set with no members)

indicating the absence of any or all units under consideration; "a zero score"
同义词:0,

indicating an initial point or origin

having no measurable or otherwise determinable value; "the goal is zero population growth"

adjust (as by firing under test conditions) the zero of (a gun); "He zeroed in his rifle at 200 yards"
同义词:zero in,

adjust (an instrument or device) to zero value

the sight setting that will cause a projectile to hit the center of the target with no wind blowing

the point on a scale from which positive or negative numerical quantities can be measured
同义词:zero point,

a quantity of no importance; "it looked like nothing I had ever seen before"; "reduced to nil all the work we had done"; "we racked up a pathetic goose egg"; "it was all for naught"; "I didn''t hear zilch about it"
同义词:nothing, nil, nix, nada, null, aught, cipher, cypher, goose egg, naught, zilch, zip, zippo,

a mathematical element that when added to another number yields the same number
同义词:0, nought, cipher, cypher,

例句与用法

1.Thus, the terminal voltage drops to zero .
这样,路端电压就降到零。

2.The thermometer still wavers around zero .
温度计仍然在零度上下徘徊。

3.The width of each subinterval goes to zero .
每个子区间的宽度趋于零。

4.The velocity at the stagnation points is zero .
在停滞点处,流速为零。

5.A vertex with zero outdegree is called a sink .
出度为零的顶点称作收点。

6.The field inside the conductor is zero .
在导体内部的场强为零。

7.W is a zero mean white noise source .
W是一个零均值的白噪声源。

8.The thermometer fell to zero last night .
寒暑表昨夜降至零度。

9.Water freezes at zero degrees centigrade .
水在零摄氏度结冰。

10.These bases can be zeroed in by the enemy .
这些基地可能成为敌人火力之焦点。

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