positive-negative中文什么意思

正-负,阳-阴

• positive:    adj. 1.确实的，明确的；确定的 ...
• negative:    adj. 1.否定的,否认的；拒绝的 ...
• negative or positive:    负或正

例句与用法

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1. 2 four hole diameter of valve : connect to side of instrument positive - negative pressure container 4 - 12
   2阀体四孔孔径:接仪表正负压容室侧: 4 - 12
2. The rules 、 cases 、 positive - negative reasoning and other forms are used as reasoning manner
   在专家系统的推理方式上，将规则、案例、正反向推理等多种形式结合使用。
3. The effect of electrostatic force of the drive voltage on the accelerometer had been researched when the bias voltage polarity is positive - negative configuration
   前人在研究驱动信号对传感器的静电力效应时，用偏置电压极性为正?负配置的驱动信号进行研究。
4. It is found that the rates can induce gene switch in the positive feedback system , and can regulate the oscillation range in the positive - negative feedback system
   结果表明，在正反馈模型中转录率能诱导基因开关转换；在正负反馈模型中转录率能调节蛋白质浓度的振荡幅度。
5. Ef2300 model multi - functional curved surface positive - negative pressure machine can finnly adhere solid - woodveneer , heat transfer - printing film , decorative paper and pvc film on all kinds of material
   Ef2300型多功能曲面正负压机，能够牢固地贴覆实木单板、压克力热转印膜、装饰纸、 pvc膜于各种材料上。