Lower-bounded wildcards show up when you want to specify a callback object, such as a comparator, or a data structure into which you are going to place a value.

当您希望指定一个回调对象(例如一个比较器)或存放某个值的数据结构，可以使用下限通配符。

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The invention provides a method of performing input voltage value to comparator and an optical-driving circuit.

本发明提供一种用于确定输出到比较器的输入电压值的方法及光驱动电路。

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Proving an incrementally better product enhances value can be expensive (because it takes many patients to demonstrate a small difference in an active comparator trial), and of course, risky as well.

FORBES: Strategy: Why Big Pharmas Do What They Do -- And How Silicon Valley Might Help Them Think Differently