经济上依赖于另一个人是一项冒险：如果那个人从你的生活中消失，那么你的经济保障和生活质量也会消失。
Being financially dependent on another person is a risk; if that person disappears from your life, so does your financial security and quality of life.
负能量的粒子流进入这个黑洞后，会减轻它的质量，直到黑洞发生最后的辐射大爆炸后才完全消失。
The flow of particles of negative energy into the black hole reduces its mass until it disappears completely in a final burst of radiation.
分析了影响合金优质量的各种因素，以及存在的基本问题，并讨论了用消失模法实现表面合金化的优点。
The factors to influence the quality of surface alloying and existing problems are analyzed, and the advantages of surface alloying of EPC castings are discussed.
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