用“presence and absence”造句大全，presence and absence造句

By controlling the actual presence and absence of an object, he was able to manage the virtual presence of his mother.

Methods Spectrophotometry was used to determine the changes of activity of HPAP during guanidine denaturation in the presence and absence of phosphate.

In addition, the presence and absence of foliation are an other factor to classify fault rocks.

This means that the mind state is to be perceived simply as an example of the presence and absence of stress.

This dissertation researches in the presence and absence of "empty space" ideas in I. M. Pei's architectural works by means of literature data collection and field studies.

The reaction of triphenyltin with nitrous acid in aqueous phase in the presence and absence of O2 was studied by a laser flash photolysis technique.

The control module identifies one of presence and absence of the first fluid in the reservoir based on the parameter.