Choosing an interval is largely a trade-off between presenting too much information with a high number of intervals, or showing too little change between the intervals when a low number is selected.
选择间隔实际上是一种权衡：是使用较高的间隔值来呈现大量信息，还是使用较低的间隔值来显示非常少量的更改。
Expect to see low beef prices in the immediate as farmers sell off herds they can't afford to feed, followed by high prices as supply dries up.
不久大家就会看到廉价的牛肉，因为农场主已经无法饲养它们；再接下来就是供应的枯竭而导致的价格疯涨。
A mathematical model finds that a temperature of about 98.6 F is high enough to ward off the majority of fungal infections, but still low enough to only require a manageable level of food intake.
一种数学模型发现98.6华氏度的体温，对抵御绝大多数微生物的感染，已经足够了； 而对于将食物吸收维持在一个可控水平上，也足够低。
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