threshold of oil generation

例句：

1. 1. The threshold for a new product launch is set at $50 million.
   新产品推出的门槛是5000万美元。
2. 2.The company's profitability has reached a new threshold.
   公司的盈利能力达到了一个新的临界点。
3. 3. The research team found that the threshold for detecting the virus had been lowered.
   研究团队发现，检测病毒的阈值已经降低。