1.
Note that the high bit represents the sign: 0 means positive and 1 means negative.
注意高位代表正负号：0为正，1为负。
2.
Pay special attention to the sign of the answer.
特别注意答案的正负号。
3.
It had a margin of error of plus or minus 3.2 percent.
其误差率在正负3.2%。
4.
Opposite poles attract.
正负极间有吸引力。
5.
pair attenuation coefficient
正负电子对衰减系数
6.
Electric charges, positive and negative, which are responsible for electrical forces, can wipe one another out.
担负电力的正负电荷是能够相互抵消的。
7.
Electric charges, positive and negative, which are responsible for electrical forces, can wipe one another out and disappear.
担负电力的正负电荷是能够相互抵消和消失的。
8.
The Best Capital Structure of Enterprise in View of Positive and Negative Efficiency of Debt-loading Management;
从负债经营正负效应看企业最佳资本结构
9.
Defect mode in positive-negative index photonic crystal with negative refractive index structural defect
含负折射率缺陷的正负交替光子晶体的缺陷模
10.
the positive/negative terminals,eg of a battery
正[负]极（如电池的）.
11.
positive-intrinsic-negative diode
“正-本征-负”二极管
12.
PIN (Positive-Intrinsic-Negative)
正-本征-负(二极管)
13.
an integer or a fraction.
正整数负整数正分数负分数和零。
14.
Then A is positive semidefinite, negative definite and negative semidefinite.
则A是半正定，负定，半负定的。
15.
A positive or negative real number.
一种正的或负的实数。
16.
negative-positive procedure
负片-正片反转晒印法
17.
Electrical positives attract electrical negatives.
正电荷吸引负电荷。
18.
The positive energy develops into fundamental particle, and the negative energy develops into negative energy field.
正能量形成基本粒子,负能量形成负的能量场.