| 单词 | 临界点 |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔Gunn effect〕The production of microwave oscillations when a constant voltage in excess of a critical level is applied to opposite faces of a semiconductor.耿氏效应：当对一个半导体的相对的两面施加的稳压电流超过临界点时，产生的微波振荡现象美国传统〔critical point〕A maximum, minimum, or point of inflection of a curve.临界点：某条曲线的最大、最小或回折点美国传统〔critical point〕A point at which the derivative of a function is zero or infinite.临界点：一个函数的导数等于零或无穷大时的一个点美国传统〔criticality〕Physics The point at which a nuclear reaction is self-sustaining.【物理学】 临界点：核反应能够自我维持的一个点美国传统〔tipping point〕The earth has already passed the tipping point in terms of global warming.就全球变暖而言，地球已经超出了临界点。剑桥高阶 |
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