只有绳子没有安全吊带一点用也没有；另你还需要快扣，绳圈，勾环和岩盔。

A rope is no use without a harness. You need quickdraws and slings, carabiners and a helmet.

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溢流玄武岩的同位素体系特征表明它们的源区涉及再循环地幔的壳幔混合、岩石圈减压熔融、上—下地幔过渡带和似原始-略亏损的下地幔。

Isotopic systematics of flood basalts indicate that their sources are involved in crust-mantle mixing in a recycled mantle, decompression melting of lithosphere.

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结合区域岩石圈结构，上述特征表明花岗岩源岩应为中地壳结晶片岩、片麻岩。

According to all above characteristics and regional lithospheric structure, the granites should come from schist and gneiss of middle crust.

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