“observe and study”造句，怎麼用observe and study造句

To observe and study some regulators which influence the flotation of Copper mineral in Raranda slag of Daye, and probe into the function amd mechanism of the sodium sulphide.

This article attempt to observe and study the qualification of the word order changes on Bivalent Verbs Sentence contacting with syntax, semantics and pragmatics.

We must also observe and study the Leaders non-work Action in order to avoid neglecting theirs Supervisory Duties in Use of Personnel;

Objective To observe and study the distribution and histological feature of the fascicular groups to deltoid muscle in axillary nerve at the level of quadrilateral zone.

Objective: To observe and study the curative effect and mechanism of infantile repeated tract infection (RRTI) treated by nourishing both lung and spleen.