许多程序员会混淆元类和基类的不同。
Many programmers are confused about the difference between a metaclass and a base class.
同样地,一个元类也有类描述。
它包含许多代理和元类。
这个person_metamodel类是引用Person的元信息的一种代替方法。
This Person_ metamodel class is an alternative means of referring to meta information of Person.
那类混纯索引机造的索引数据非信做的元数据。
The index data of the hybrid index mechanism is metadata of information.
第二类换元法是一种既重要又不易掌握的积分方法。
The second method of transformation is an important but not-easy-to-master calculus method.
导出了在SU_6分类下,计算能量矩阵元的公式。
The formula for the energy matrix element under SU_6 is also derived.
目的研究一类重要的幂等元半环,即乘法带半环。
Aim To study a very important class of idempotent semiring, so-called multiplicative band semirings.
这些结构中也包含更多的类二级结构元。
These structures also possess much more secondary structure like elements.
这些结构中也包含更多的类二级结构元。
These structures also possess much more secondary structure like elements.
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