He said that China also stresses no double standards should be used in the fight against terrorism, pointing out that China is against random expansion of anti-terrorism strikes.

同时，反恐不能搞双重标准。中国反对任意扩大打恐目标。

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Flat saws are typically used to provide expansion joints, remove damaged pavement sections, clean and repair random cracks for repair, and remove concrete sections for demolition purposes.

单位锯通常用来提供伸缩缝，清除路段路面损坏、清洁保养修理随机裂缝、清除混凝土路段拆除。

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According to the complicated mine environment when a mine disaster occurred, a class expansion type rapid expanded random tree (CERRT) algorithm for the mine rescue robot was provided.

针对煤矿灾害发生后复杂的矿井环境，提出一种用于救援机器人的分级扩展式快速扩展随机树(CERRT)算法。

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