To enable this new capability, the Rope's charAt method can be modified so that, on the first invocation, an iterator is constructed at the specified position.

为了支持这一新功能，可以修改 Rope的 charAt方法，这样在第一次调用的时候，就在指定位置上构建一个迭代器。

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The localizer for orthopedics surgery has simple structure and easy use and can send a drill bit, a Kirschner pin and a screw into a specified position accurately.

该骨科手术定位器结构简单、使用方便，能将钻头、克氏针和螺钉准确地送入指定位置。

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The id of the item at the specified position.

得到数据集里指定位置的数据项。

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If the price later reaches or surpasses your specified price, this will open your long position.

FORBES: How To Place Orders With A Forex Broker

Place a stop-sell order a few pips below the support level so that when the price reaches your specified price or goes below it, your short position will be opened.

FORBES: How To Place Orders With A Forex Broker