It's a step in a different direction, but as one observer points out, far from embracing the kind of interaction that drives sharing.

这是迈向不同方向的一步，但是正如一位观察家指出的，苹果尚未接受这种有分享意味的互动交流营销方式。

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Statistically, his analysis has its dubious points - as John Naughton explores elsewhere in the Observer today, this glosses over the fact that Internet usage is increasing at an exponential rate.

从统计数字来看，他的分析有其可疑之处，正如《观察家》的约翰·纳顿在其他地方所做的研究表明，真实的情况在于互联网使用正以指数级增加。

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Locus of points on a surface at which the luminance is the same, for given positions of the observer and of the source or sources in relation to the surface.

对于给定的观察者位置，和给定的光源位置或者与光源相关的发光表面来说，该表面或曲线上各点的亮度相同。

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To be sure, Charles Moskos, a sharp observer of military affairs, points out that the budget makes no provision for more manpower.

ECONOMIST: The army's cutting edge sharpens up