3-D active unstable-state heating model 三维有源非稳态加热模型
Critics have charged that the Magic's four-out system, heavily reliant on the vagaries of 3-point shooting, is too unstable to succeed.
批评主要集中在魔术四人在外的体系，过度依靠3分球想要赢球太不稳当。
Day 3: Legs got cramps and became unstable.
第三天：‘腿开始抽筋，并站不稳了。’
An oscilloscope picture of an unstable measurement of a 200h inductor is shown in Figure 3-21.
测量200h的电感器时不稳定情况的示波器图形如图3 - 21所示。
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