But with the economy still fragile, many children are requesting basics such as shoes, library cards and even eyeglasses, say dozens of Santas who work at malls or on the party circuit.

但是，几十位在购物商城或派对表演中工作的圣诞老人说，随着经济持续低迷，许多孩子开始索要基本生活用品，比如鞋子、借书证甚至是眼镜。

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Economy tape, especially for protect circuit board with irregular surface. No residue remained when removed. Tear off once it solidify.

经济型胶带特别适用于保护表面不规整的线路板，揭除后不会留下任何残胶，固化后立即揭除。

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However, this synthetic test circuit offers several technical advantages and is superior to the Back-to-Back direct test circuit in terms of economy as well.

然而，这种合成试验回路更具有技术上的优势，并且在经济上也优于背靠背直接试验回路。

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