【Key words】 pump turbine; pressure vibration; pumping head; tail level; leakage pressure;
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amplitude of high tail level 高尾水位变幅
Tail water level 尾水位
level of tail water 下游水位
normal tail water level 正常尾水位
Minimum tail water level 最小尾水位
Maximum tail water level 最高尾水位
If retailer POD became widespread, we would get an Amazon-like long tail for physical books at the retail level. That would eventually change both author and reader behavior.
如果零售POD足够普及的话,纸质书也会出现类似亚马逊那样的长尾效应,并最终改变作者和读者的习惯。
Ultrasonic liquid level gauge used to real-time measure the upper level and tail level of the two sections , then the computer calculated average water level, gradient of water table and discharge;
用超声波液位计将测流渠段的上下游两断面水位实时测出,再用计算机分时段算出平均水位、水面坡降及流量;
For those who actually like to mess with the low-level stuff, here is an assembly language template for an optimized tail-call.
这里是为那些真正热衷底层编程的人准备的一个优化尾部调用的汇编语言模板。
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