sub group meaning in English
(周期表)子群, 副族
子群
Examples
- Principle ; utilize and oxidize the titanium with water two times , is ground the scientific and technological mechanical treatment , moisture son of physics by the magnetism and electricity , have crystalline solid but pu membrane is it endure rice moisture sub group to form ( natural function ink )
原理;是利用二氧化钛以水，经磁电研磨科技机械处理，物理水分子化，无结晶体而溥膜化结成奈米水分子团的(自然机能水) 。