您要查找的是不是：
- There is positive proof that he did it. 有确切的证据证明他做了此事。
- Her behaviour was a positive outrage. 她的行为残暴到了极点。
- I'm positive she told us to meet at noon. 我肯定她是告诉我们在中午见面。
- This charge is a positive charge. 这个电荷是正电荷。
- change (a compound) by increasing the proportion of the electronegative part; or change (an element or ion) from a lower to a higher positive valence: remove one or more electrons from (an atom, ion, or molecule). 通过增加带负电荷的成分来改变一种化合物。
- She shows a very positive attitude to her work. 她工作态度非常积极。
- A closely related concept is that of free valence. 一个密切有关的概念是自由价。
- Can you be positive about what you hear? 你对听到的话有把握吗？
- He has a positive attitude towards life. 他对生活持有积极的态度。
- The outer ring contains the valence electrons. 排在外层的有价电子。
- The number of positive numbers is infinite. 正数的数目是无穷的。
- positive valence 正价,正原子价
- An atom or a radical with a valence of 1. 一价原子或一价基。
- Are you positive that you saw him? 你肯定你看到他吗?
- Having a valence of four;tetravalent. 四价的；四个原子价的
- Elements 3 is a nonmetal with one valence electron. 元素3是带-1价的非金属元素。
- Input your touch valence to coil number. 输入你的抵价卷号码。
- Having a valence of1; univalent. 有一价的；单价的
- Having a valence of four; tetravalent. 四价的；四个原子价的
- An atom or a radical with a valence of1. 一价原子或一价基
