Our ability to observe particles at the quantum level is currently limited by Heisenberg's uncertainty principle.

我们观察量子水平下粒子的能力目前受到海森堡不确定原理的限制。

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Note that these queries are limited to one level only, meaning that you cannot select the depth of the query.

值得注意的是这些查询都仅仅局限在一个水平，这意味着您不能选择查询的深度。

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You have only a limited level of customization on the header bar.

您仅能对头部栏进行有限的定制。

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Investing in international markets may involve additional risks, such as social and political instability, market illiquidity, exchange-rate fluctuations, a high level of volatility and limited regulation.

FORBES: Matthews Asia Funds Heads To China's Minor Leagues

The Greens held on to third place in Germany, but at EU level the movement remains limited by its internal incoherence: some Euro-Greens are quasi-liberals, others are allied with the extreme left.

ECONOMIST: The European elections

The personal income of each member of the management team, from board members to middle-level managers, is limited to their salary, incentive bonus and stock dividends provided by the company, with policies to ensure that no one in the company abuses their power for self-serving purposes.

ENGADGET: Huawei 2012 results: $2.5 billion profit, smartphone penetration 'still way too low'