The main constraints are memory, battery life, ability to adapt to difference screen sizes and orientations, security, and network bandwidth.

最主要的限制包括内存容量、电池寿命、适应不同屏幕大小和分辨率的能力、安全和网络带宽。

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For example, in Australia, the main constraints faced by foreigners is to obtain the approval of the local foreign investment review board before they can be traded.

比如在澳大利亚，外国人面对的最主要限制是必须先获得当地外资检讨局的批准，才可进行买卖。

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For the neuraminidase inhibitors, the main constraints - which are substantial - involve limited production capacity and a price that is prohibitively high for many countries.

就神经氨酸酶抑制剂而言，有一些重大的限制因素，主要是生产能力有限，同时，在许多国家，其价格高得难以负担。

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However, while its hardware kept improving, the main constraints of its size did not.

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Iraj Abedian, an economist and chief executive of Pan-African Capital Holdings, says a pitiful shortage of skills is one of the main constraints on economic growth.

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Three main factors are blamed for the likely constraints on long-term finance.

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