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syenitic是什么意思

2024-02-13 06:31:17
syenitic
美[ˌsaɪənɪtɪk]  英[ˌsaɪənɪtɪk]
adj.  黑花岗石

例句

  1. In this paper, the testing data of friction factor between syenitic blocks under static and dynamic conditions are presented.Dynamic tes... 两种条件下的动摩擦系数的变化规律也有明显区别。
  2. Abstract :Orthogneisses in the Wulian area are mainly syenogranitic gneiss and less commonly quartz syenitic gneiss, showing a mildly alkaline trend. 提要: 五莲杂岩中的正片麻岩主要为正长花岗质片麻岩,少数石英正长质片麻岩,具有适度碱性的演化趋势。
  3. A-type quartz syenitic porphyritic dyke A型石英正长斑岩
  4. alkali syenit 碱性正长岩