即每一个接入互联网的机器所拥有的唯一IP号，并且初始ip号值初始值计算好。
So each machine connected to a network that's connected into the Internet has a unique IP number.
你可以滑动圆柱体边上的滑钮设定初始值，然后转动手柄来计算结果。
You set your initial figures by sliding knobs along the side of the cylinder, then turn the crank to compute the results.
计算实例表明，凸度缺口模型对于给定的初始值和约束条件，可以较好地减少利率风险的暴露头寸和提高收益；
Calculation case shows that in the given initial value and restraints, convexity gap model can lessen the exposure position of interest rate risk and increase yields.
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