Bear with us, therefore, for your own sake, when we tell you in great detail about such seemingly unimportant things as the vibration of a harp string.

因此，为了你们自己，请耐心等待我们，当我们极其详尽地告诉你们一些看似并不重要的东西，比如一根竖琴弦的振动。

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It is well-known that machining efficiency doesn't depend on the machine power and the load which machine can bear, but depends on the condition in which self-excited vibration appears.

机床的切削效率往往不是由机床的功率、机床所能承受的最大载荷所决定，而是由机床切削时发生自激振动的条件所决定。

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The conclusion shows that the calculated results of blade intrinsic vibration frequencies bear no relation to the common fix states for the first seven-order blade vibration.

得到的结论是：对于叶片的前七阶振动，通常的叶片固支状态对叶片自振频率计算值几乎没有影响。

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