Small increases in cortisol give bursts of energy but in high quantities the hormone can cause stress and increase the risk of heart disease.
小幅度的皮质醇含量上升可以促进精力，但上升幅度太大会导致紧张和心脏病突发。(实习编辑：顾萍)。
Since the novel low-loss passive snubber circuit is used, the low current and voltage stress, low energy loss and high efficiency properties are achieved.
由于采用了一种新型的低损耗无源缓冲电路，开关管和主二极管的电流电压应力较小，并降低了能量损耗，提高了工作效率。
Against this background, it is significant to study the VRM with high efficiency, because it can save energy and reduce the thermal stress.
在这一背景之下，研究高效率的电压调节模块，对于节约能源、减小热应力、提高系统的可靠性，实现绿色电力电子具有重大意义。
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