您要查找的是不是：
- positive - negative threshold 正负门限
- There is positive proof that he did it. 有确切的证据证明他做了此事。
- The positive or negative character of a proposition. 命题的性质命题的肯定或否定的性质
- Altering the meaning of a term from positive to negative. 表否定的将一个词的意义由肯定变为否定的
- The answer to my request was in the negative. 对我的请求的答复是否定的。
- A positive or negative real number. 一种正的或负的实数。
- Her behaviour was a positive outrage. 她的行为残暴到了极点。
- His answer to my request was a negative. 我的请求遭到了他的拒绝。
- The tests for hepatitis were negative. 肝炎检查结果是阴性。
- Their criticism was not negative. 他们的批评并不是负面的。
- I'm positive she told us to meet at noon. 我肯定她是告诉我们在中午见面。
- Do a blow-up of this corner of the negative. (对某事的)详尽的报道。
- This charge is a positive charge. 这个电荷是正电荷。
- We must turn negative factors into positive ones. 我们要把消极因素转化为积极因素。
- She shows a very positive attitude to her work. 她工作态度非常积极。
- Can you be positive about what you hear? 你对听到的话有把握吗？
- Neutron has no charge, either positive or negative. 中子不带电荷,既不带正电荷,也不带负电荷。
- He has a positive attitude towards life. 他对生活持有积极的态度。
- The number of positive numbers is infinite. 正数的数目是无穷的。
- I have a negative opinion on the value of this idea. 我对这个主意持反对意见。
