In this article , we study zhang zhan ' s annotation on lei - tzu , and proceed to distinguish and analysis his " wu " and " shiu " 另一方面则藉由对虚字的剖析,详述张湛以虚为轴心,融合佛、道思想及两汉元气论,建立独树一帜的宇宙观。
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Virtual fields , such as fields referencing basic subroutines , cannot be updated using sql , as the database cannot reverse engineer the retrieval process 虚字段,例如引用basic子程序的字段,是不能使用sql来更新的,因为数据库不能执行检索过程的反向工程。