1. The DNA evidence was conclusive in proving the suspect's guilt.
- DNA 证据证明了嫌疑人的罪行，结论明确。

2. After reviewing all the data, the scientists reached a conclusive decision about the experiment.
- 科学家们在审查所有数据后，就实验达成了结论。

3. The judge deemed the witness's testimony to be conclusive in convicting the defendant.
- 法官认为证人的证词对被告的定罪是具有决定性的。

4. The results of the study were inconclusive and required further research.
- 这项研究的结果并不明确，需要进一步的研究。

5. The doctor's diagnosis was inconclusive, so more tests were needed to confirm the illness.
- 医生的诊断并不明确，因此需要进行更多的检查来确认疾病。

6. The committee reached a conclusive decision on the matter after hours of deliberation.
- 经过数小时的讨论，委员会对这个问题达成了明确的决定。