如果使用逻辑| |操作符，Perl就会使用后面的第一个真值，顺序从左到右取值。
If you use the logical | | operator, Perl will use the first true value it comes across, in order, from left to right.
对于一个逻辑型的数据，其取值只能是D。
比我国现行的《钢结构设计规范》（TJ17-74）中，关于阶形柱计算长度的取值更为合理和更强的逻辑性。
It is more rational and logical than the current PRC Specificat ion (TJ 17-74) in regard to the method for determining the effective lengths of mill building stepped columns.
将带广义量词Q的一阶逻辑的二值弱模型推广到取值于完备弱可补格上。
The two value weak model for first order logic with generalized quantifier Q is generalized to be valued in complete weak complemented lattices.
将带广义量词Q的一阶逻辑的二值弱模型推广到取值于完备弱可补格上。
The two value weak model for first order logic with generalized quantifier Q is generalized to be valued in complete weak complemented lattices.
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