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- In this paper we analysis the system:and obtain the boundedness of its positive semi -- trajectory with positive initial values. Thecondition for the existence of limit cycles are obtained. 该文对一类饱和两分子反应模型进行了定性分析，得到了正初值的正半轨线的有界性和极限环存在的条件。
- There is positive proof that he did it. 有确切的证据证明他做了此事。
- A Determinetal Inequality For a Part Complete Symmetrical Sab-Positive Semi Definite Matrix 局部完全对称的亚半正定矩阵的行列式的不等式
- I can't say anything definite yet. 我还不能肯定地说什么。
- It's definite (that) he will win. 他肯定会赢。
- The workers demand a definite answer. 工人们要求一个明确的答复。
- I can not say anything definite yet. 我还不能肯定地说什么。
- Is it definite that they will sign that contract? 他们肯定会签署这份合同吗？
- He avoided give us a definite answer. 他避免给我们明确的回答。
- He seemed definite about what had happened. 他好像对所发生的事情很清楚。
- Her behaviour was a positive outrage. 她的行为残暴到了极点。
- It's definite that he'll be late again. 他肯定又要迟到。
- I'm positive she told us to meet at noon. 我肯定她是告诉我们在中午见面。
- His vague ideas crystallized into a definite plan. 他那些模糊的想法变成了一个明确的计划。
- This charge is a positive charge. 这个电荷是正电荷。
- semi definiteadj. 半定的
- 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？
- I'll give you a definite answer on Friday at the latest. 我最迟星期五给你一个确切的答复。
