The millimeter-wave machine is grayish-white and is more cylindrical.

而毫米波扫描仪则是灰白色的，有些像圆柱形。

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And wave machine is more and more widely used as an important research tool.

造波机作为一种重要的研究工具，也越来越得到普及应用。

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And wave machine is more and more widely used as an important research tool.

造波机作为一种重要的研究工具，也越来越得到普及应用。

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