所采用的石英结晶二氧化硅含量高达并在制造过程中去杂提纯，不含任何能导致辐射的重金属成分。
Quartz crystal silica content by up to 99.9%, and in the manufacturing process to the complex purification, does not contain any can cause radiation metal components.
坪年龄代表石英的结晶年龄。
This plateau age represents the age of quartz (crystallization).
含铁橄榄石石英正长岩，代表了岩浆分离结晶初期还原条件下，太古代母岩派生的初始岩浆组成。
Fayalite-bearing quartz syenite could represent the early fractional stage initial granitic magma derived from archean protolith in a deeper and reductive environment.
应用推荐