To study this property, a long-termtest method has been used for many years.
为了研究这种性能，许多年来一直采用传统的长期试验方法。
2
However, restricted by the long-termtest-oriented trend, education has gradually lost its original purpose.
然而长期以来在应试教育的制约下，教育的本真意义已逐渐丧失。
3
If you care about object serialization, and especially if you intend to use serialized objects for long-term persistent storage, you must test serialization.