The Feb. 27 magnitude 8.8 earthquake in Chile may have shortened the length of each Earth day.
2月27日在智利的8.8级地震，可能缩短了地球的每一天的长度。
Such a design shortened the length of runner, decreased the weight and volume of the mold, and reduced the fabricating cost.
这样设计简化了模具结构，缩短了流道的长度，减小了模具体积和质量，降低了模具制造成本。
The massive 8.8 earthquake that struck Chile may have changed the entire Earth's rotation and shortened the length of days on our planet, NASA said Monday.
美国宇航局1日宣布，智利发生的里氏8.8级地震可能改变了地球的自转速度，缩短了一天的时长。
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