加减速过程中厚度无波动。
他们也应用于无波动或最小转矩脉动领域。
They are also preferred in applications where no cogging and minimal torque ripple is important.
其主要标志是宏观经济基本稳定,既无波动,又无通胀。
The major indicator is the basically stable macro-economy without fluctuation and inflation.
And so the whole definition of what a recession is is evolving and... we could be in a similar kind of situation where job...number of jobs goes up or down and maybe output doesn't.
因此,经济衰退的完整定义,不是一成不变的。,有时可能出现这种情况,失业率也会上升或下降,而国民产量并无波动。
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