第二个过滤器负责移除任何表达式左侧为一个基本类型或null型的列表条目。
The second filter removes any list items where the left side of the expression is a primitive type or a null.
第一类型比第二类型更基本，因为事件是由事物或事物的活动组成的。
The first type is more basic than the second because events are made up of things or of the actions of things.
第二章、外向型企业管理金融风险的基本策略。
Second chapter, the basic strategy of multinational corporation 's financial risk management.
本文的第二部分将论述建构学习型的科学共同体的基本建构框架。
The second part of this article discussed the basic building framework of building learning scientific community.
第二章介绍了移动荷载识别的基本原理和相关知识，包括振型的正交性，模态叠加原理等。
The second chapter introduces the basic principle and the correlation knowledge of moving load identification, including mode shape orthogonality, mode superposition principle and so on.
利用非常数全纯曲线涉及活动超平面的截断型第二基本定理，讨论了全纯曲线的唯一性问题。
By the second main theorem for non-constant holomorphic curves with moving targets without counting multiplicity, the uniqueness problem of holomorphic curves is discussed.
同时，通过统计分析给出第二振型、第三振型周期与基本周期比值的经验公式。
In addition, the empirical formulas for estimating the ratios of 2nd and 3th mode periods to the fundamental period are put forward through statistical analysis.
第二部分论证了研究型课程的基本内涵及其在学校课程结构中的作用，从而确立了本研究的理论基础。
Part two demonstrates its basic connotation and functions in school curriculum structure, and thus establish the foundation of this theory study;
第二部分论证了研究型课程的基本内涵及其在学校课程结构中的作用，从而确立了本研究的理论基础。
Part two demonstrates its basic connotation and functions in school curriculum structure, and thus establish the foundation of this theory study;
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