Although there are various kinds of alarm devices available in the market, their low reliability, simple functions and the high manufacturing cost make it hard to be popularized.

现在市场上有各种名目繁多的报警装置，但多由于可靠性较差、功能单一或造价较高而难于普及。

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But the material of emitting cathode is mostly present with big escaping power, low reliability, low uniformity and emission capability.

目前，场发射阴极材料多种多样，但都存在逸出功大，稳定性及均匀性不理想，发射性能低等方面的问题。

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The theory verifies that the influence of distribution type is less in low reliability, while the influence is very clear in high reliability.

该理论证明在低可靠度时分布类型的影响不大，而在高可靠度时不同分布类型下的影响相差悬殊。

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But their reliability would be low, the Defence Intelligence Agency (DIA) said.

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Again the reliability, security and low cost of Linux is proving popular when technology budgets are being squeezed.

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Rather, it is offering a low-cost cloud service, with reliability that is not great but good enough for most users.

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