正负

n.plus-minus

网络释义：positive and negative; plus or minus; plusminus

网络释义

n.1.plus-minus

1.positive and negative 睁 to open 正负 positive and negative 正好 just ...

2.plus or minus ... postweld head treatment 焊后热处理 plus or minus 2 正负2 pile section /segment 桩段 ...

3.plusminus ... 加减分接开关电路 plus-minus switching circuit 正负，加减，调整 plusminus 调整螺丝 plusminus scre…

4.GD 失球 GA 正负 GD 总教练 Coach ...

5.pm 正负 ： Positive and negative 正负 ： pm 正负缘 ： Rising and Falpng Edg…

6.zhvb ... zhup 中秋节 zhvb 正负 zhvt 走到 ...

1.If the amount of positive and negative charges is varied, the electron stream can be made to bend up or down in varying amounts.如果正负电荷的量发生变化，电子流上下弯曲的程度也随之变化。

2.The problem is, all full moons are operative plus or minus three days or so, and that's a whole week to have to hole up!问题是，所有的月圆是职员正负三天左右，和那是一全部星期到有到洞在！

3.Direction of motion along these three axes--right and left, in and out, up and down--is designated by a plus or minus sign.沿着这些运动方向的三轴―左、右、进出、上下――是由正负标志。

4.He did not use negative numbers, which he regarded as contradictory, but introduced a comppcated scheme called "correspondence of signs" .他不使用他认为有矛盾的负数，却引进了一套复杂的图表，称为“正负号的对应”。

5.However; that method would be unusable from a language that has no notion of unsigned integers.但是对于不具备「不带正负号的整数」概念的语言来说，这个方法就无法使用。

6.In terms of relative ranking, all changes are also within two places up or down, and could be considered as nominal.相对名次方面，所有变化都在正负两名之内，亦属轻微。

7.A molecule where the centers do not coincide is called a polar molecule.正负电荷中心不重合的分子称为极性分子。

8.The piston of the force transducer is so designed that if fits the face of the force transmitting piston up to within 3 .这个力传送器的活塞设计上可以使它在大约正负3内与力传导活塞相适应。

9.A traditional capacitor stores electricity as static charges, positive and negative, on two electrodes that are separated by an insulator.一个传统的电容器以在正负电极间夹着绝缘体并且两端分布静电荷的方式储存电流。

10.The sign of chirp parameters has no effect on the spectral distribution and transversal intensity distribution.啁啾参数的正负号不影响横向光强分布和光谱分布。