The problem his quantum dots are intended to overcome is that the LEDs preferred by the display-screen industry are not white enough.

他的量子点试图攻克的难题是受显示器工业偏爱的发光两极管发出的白光不够白的问题。

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The end user might not notice, but your screen recognition could stop working if you have created a criterion that is not flexible enough to account for such a change.

最终用户可能不会注意到这一点，但是如果您创建的识别条件没有灵活到将这一变化考虑在内的程度，那么您的屏幕识别可能会停止工作。

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Alone, CSS is not powerful enough to perform functions such as adding commas to currency when they are displayed on the screen and remove commas when they are stored in instances within the model.

同样，CSS 的功能也不足以处理某些复杂的需求，比如在屏幕上显示货币值时添加千分符（逗号），在模型中的实例中存储时删除逗号。

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Not enough is being done to screen for malnutrition in the community.

BBC: Millions of malnourished 'go unnoticed'

Experts say this is because it is not known whether screening would save lives and the tests available are not sensitive and specific enough to screen for early-stage ovarian cancer.

BBC: NEWS | Health | Test detects early ovarian cancer

As phones and tablets merge, manufacturers must find that sweet spot between a device that's easily portable and one with a screen big enough not to cause eyestrain after an hour or two.

CNN: Do people really want a smaller iPad?