Altogether there were 7 deep focus and intermediatefocus earthquakes occurring over the globe.
全球发生较大的深源及中深源地震7次。
2
A lined trifocal design with three areas of focus: Distance (carrier), Intermediate and Near (reading addition).
镜片设计了三个焦点领域：远距离(载体)，中距离和近距离(阅读增加)。
3
Level 1-2: Exploring more intermediate-advanced postures and sequences. Focus on inversions, arm balances, back bends and twists. A solid foundation knowledge is required.