附多功能量测平台，使实验量测光路架设方便稳定，不须额外光学配件。

Multifunction measurement platform included, makes it more convenient and stable to set up experiments. No other optical accessories needed.

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发言者一个怪物电缆公司XP是附一家具配件。

The speaker cable XP by a monster company is attached as a furnished accessory.

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该密封音箱采用21 V2超低音单元，内附安装配件，紧密结构重现强劲低音。

Sealed box equipped with 21 V2 subwoofer. Installation kit included. Dependable bass reproduction in a compact environment.

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