sea-floor spreading

常见例句

双语例句

• The continental drift theory and sea-floor spreading theory.
  大陆漂移和海底扩张。
• The idea of sea-floor spreading actually preceded the theory of plate tectonics.
  海床 扩展说实际上早于板块结构理论。
• Spreading out these force vectors of mechanics model on the earth's surface , it can be directly seen how the continental drifting and sea- floor spreading are in motion affected by these forces .
  把这个力学模型计算的力矢量展布于地球表面，可以非常直观地显示大陆漂移和海底扩张在这些力的作用下如何进行运动。
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