沟弧盆系 [海洋] arc-trench-basin system ; trench-arc-basin system
沟-弧-盆体系 trench-arc-basin system
琉球沟弧盆系 ryukyu trench arc basin system
东海及琉球沟弧盆系 East China Sea and Ryukyu Trench Arc Back-Arc
熄弧沟 [电] arc chute
气吹熄弧沟 air blast arc chute
弧形海沟 arcuate trench
弧沟间隙 arc trench gap
岛弧-海沟型地槽 island-trench type geosyncline
岛弧-海沟体系 island arc-trench system
结合上述事实，通过沉积建造分析，该区在中石炭统曾存在沟弧盆体系。
The analysis of sedimentary formation suggests the existence of groove-arc-basin system at the middle Carboniferous.
早奥陶世北祁连地区再次拉张，遭受第二次大洋化，到中奥陶世形成具沟弧盆体系的成熟大洋。
In early Ordovician North Qilian region again stretched and suffered second oceanization, up to middle Ordovician a mature ocean basin with a trough-arc-basin system already formed.
这些特点说明琉球沟弧系上覆板块与俯冲板块的耦合比其他沟弧系弱，而琉球海沟本身又往南趋弱。
These characteristics reflect that couplings between the upper arc and the subduction slab of the Ryukyu trench are weak relative to other common trenches, and themselves weaken toward to the south.
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