In China, since the shortage of the forest reserves limits the usage of wood, the blind spot of the housing is wooden-frame houses, which are used widely in other developed countries.

由于我国森林资源缺乏，限制了木材的使用以致发达国家普遍建造的木结构住宅在我国是个盲点。

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The high usage rate of the techniques in receive stage were loop-drive technique and cut technique. The falling spot after attacking ball begun from near net to away net.

乒乓球击球落点一般情况下是由近网短球开始，再进入到长球阶段。

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