The center of mass is lower, around half of the machine height.

该中心的质量较低，大约一半的机器的高度。

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A mountain lay at its center, probably about 1500 meters in height until approximately 1500 BC.

大约在公元前1500年，一座山位于它的中心，很可能大约有1500米高。

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Center size Specify placement and size of shape by center position and size values (width and height).

中心尺寸通过中心位置和尺寸值(宽和高)来指定形状的位置和尺寸。

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