As each year's snow accumulation lay on the surface, evaporation and melting caused the snowflakes slowly to lose their feathery points and become tiny grains of ice.
由于每年的雪花积累在表面之上，蒸发和融化使得雪花慢慢失去其羽状尖端而变成微小的冰粒。
2
The knowledge theory points out that the source of the enterprise competitiveness is the accumulation of knowledge and the organizational study is the basic method to get knowledge.
知识理论认为企业竞争力的来源是知识的积累，组织学习是提高组织知识含量的根本方法。
3
A Rated Battle is much more competitive option, and allows for the accumulationof Arena Points which can be used to purchase items at Area 52 (Outlands).